CVE-2026-23490 (GCVE-0-2026-23490)

Vulnerability from cvelistv5 – Published: 2026-01-16 19:03 – Updated: 2026-07-01 12:05
VLAI?
Title
pyasn1 has a DoS vulnerability in decoder
Summary
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
pyasn1 pyasn1 Affected: < 0.6.2
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-23490",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-16T19:23:28.531270Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-16T19:23:51.965Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-01T17:06:14.113Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/02/msg00002.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:/o:redhat:rhel_els:7"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Server (v. 7 ELS)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:7::server"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Server HighAvailability (v. 7 ELS)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:7::server"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Server ResilientStorage (v. 7 ELS)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_extras_sap_els:7"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Server for SAP ELS (v. 7)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_extras_sap_hana_els:7"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Server for SAPHANA ELS (v. 7)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.5::el8",
              "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8",
              "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 8",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openstack:17.1::el8"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenStack Platform 17.1",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.5::el9",
              "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9",
              "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 9",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.6::el9",
              "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9",
              "cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 9",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_ironic:4.17::el9"
            ],
            "defaultStatus": "affected",
            "product": "Ironic content for Red Hat OpenShift Container Platform 4.17",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_ironic:4.18::el9"
            ],
            "defaultStatus": "affected",
            "product": "Ironic content for Red Hat OpenShift Container Platform 4.18",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/o:redhat:enterprise_linux_eus:10.0"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:10.1"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream (v. 10)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream (v. 8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_aus:8.2::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream AUS (v. 8.2)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_aus:8.4::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream AUS (v.8.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_aus:8.6::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream AUS (v.8.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:8.6::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream E4S (v.8.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_tus:8.6::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream TUS (v.8.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:8.8::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream E4S (v.8.8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_tus:8.8::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream TUS (v.8.8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.0::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream E4S (v.9.0)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.2::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus:9.4::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream EUS (v.9.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus:9.6::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:9::appstream"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AppStream (v. 9)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux HighAvailability (v. 8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_aus:8.4::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability AUS (v.8.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus_long_life:8.4::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:8.6::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability E4S (v.8.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_tus:8.6::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability TUS (v.8.6)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:8.8::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability E4S (v.8.8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_tus:8.8::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability TUS (v.8.8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.0::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability E4S (v.9.0)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.2::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability E4S (v.9.2)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus:9.4::highavailability"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux High Availability EUS (v.9.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ai_inference_server:3.3::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat AI Inference Server 3.3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.5::el8"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2.5",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.6::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2.6",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ceph_storage:8::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ceph Storage 8",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux_ai:3.3::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux AI 3.3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_ai:2.25::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenShift AI 2.25",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_ai:3.3::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenShift AI 3.3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:stf:1.5::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenStack 1.5",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:trusted_artifact_signer:1.3::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Trusted Artifact Signer 1.3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:trusted_artifact_signer:1.4::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Trusted Artifact Signer 1.4",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhui:5::el9"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Update Infrastructure 5",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:enterprise_linux:8::resilientstorage"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux ResilientStorage (v. 8)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.0::resilientstorage"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux ResilientStorage E4S (v.9.0)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_e4s:9.2::resilientstorage"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhel_eus:9.4::resilientstorage"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:lightspeed_core"
            ],
            "defaultStatus": "affected",
            "product": "Lightspeed Core",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:rhmt:1"
            ],
            "defaultStatus": "affected",
            "product": "Migration Toolkit for Containers",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:migration_toolkit_virtualization:2"
            ],
            "defaultStatus": "affected",
            "product": "Migration Toolkit for Virtualization",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_lightspeed"
            ],
            "defaultStatus": "affected",
            "product": "OpenShift Lightspeed",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ai_inference_server:3"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat AI Inference Server",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Ansible Automation Platform 2",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift_ai"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenShift AI (RHOAI)",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift:4"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenShift Container Platform 4",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openstack:16.2"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenStack Platform 16.2",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openstack:18.0"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat OpenStack Platform 18.0",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:quay:3"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Quay 3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:satellite:6"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Satellite 6",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:ansible_automation_platform:2.6::el10",
              "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10"
            ],
            "defaultStatus": "unaffected",
            "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 10",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift:4.17::el8",
              "cpe:/a:redhat:openshift:4.17::el9"
            ],
            "defaultStatus": "unaffected",
            "product": "Red Hat OpenShift Container Platform 4.17",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift:4.18::el8"
            ],
            "defaultStatus": "unaffected",
            "product": "Red Hat OpenShift Container Platform 4.18",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:service_mesh:3"
            ],
            "defaultStatus": "unaffected",
            "product": "OpenShift Service Mesh 3",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/o:redhat:enterprise_linux:6"
            ],
            "defaultStatus": "unaffected",
            "product": "Red Hat Enterprise Linux 6",
            "vendor": "Red Hat"
          }
        ],
        "datePublic": "2026-01-16T19:03:36.442Z",
        "descriptions": [
          {
            "lang": "en",
            "value": "A flaw was found in pyasn1, a generic ASN.1 library for Python. A remote attacker could exploit this vulnerability by sending a specially crafted RELATIVE-OID with excessive continuation octets. This input validation vulnerability leads to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system."
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "namespace": "https://access.redhat.com/security/updates/classification/",
                "value": "Important"
              },
              "type": "Red Hat severity rating"
            }
          },
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            },
            "format": "CVSS"
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-770",
                "description": "Allocation of Resources Without Limits or Throttling",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-01T12:05:02.871Z",
          "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "shortName": "redhat-SADP"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2026-23490"
          },
          {
            "name": "RHBZ#2430472",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430472"
          },
          {
            "tags": [
              "x_sadp-csaf-vex"
            ],
            "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23490.json"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4148"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2758"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:3959"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:13512"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:28042"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:3958"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:13508"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:17595"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:17446"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2309"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4138"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:1905"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:3354"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:1906"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4146"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4145"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2483"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4147"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2486"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4144"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2221"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4139"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2303"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4140"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2300"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4142"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2302"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4143"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2299"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4141"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:1903"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:3359"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:1904"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2712"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2453"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:2460"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:30088"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:13553"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:13545"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:24866"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:5606"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:17611"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:24977"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:19712"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:14020"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:24476"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:24483"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2026:4943"
          }
        ],
        "solutions": [
          {
            "lang": "en",
            "value": "RHSA-2026:4148: Red Hat Enterprise Linux Server (v. 7 ELS)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2758: Red Hat Enterprise Linux Server HighAvailability (v. 7 ELS), Red Hat Enterprise Linux Server ResilientStorage (v. 7 ELS), Red Hat Enterprise Linux Server for SAP ELS (v. 7), Red Hat Enterprise Linux Server for SAPHANA ELS (v. 7)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3959: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:13512: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:28042: Red Hat OpenStack Platform 17.1"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3958: Red Hat Ansible Automation Platform 2.6 for RHEL 9"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:13508: Red Hat Ansible Automation Platform 2.6 for RHEL 9"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:17595: Ironic content for Red Hat OpenShift Container Platform 4.17"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:17446: Ironic content for Red Hat OpenShift Container Platform 4.18"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2309: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4138: Red Hat Enterprise Linux AppStream EUS (v. 10.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1905: Red Hat Enterprise Linux AppStream (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3354: Red Hat Enterprise Linux AppStream (v. 10)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1906: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4146: Red Hat Enterprise Linux AppStream (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4145: Red Hat Enterprise Linux AppStream AUS (v. 8.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2483: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4), Red Hat Enterprise Linux High Availability AUS (v.8.4), Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4147: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2486: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6), Red Hat Enterprise Linux High Availability E4S (v.8.6), Red Hat Enterprise Linux High Availability TUS (v.8.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4144: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2221: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8), Red Hat Enterprise Linux High Availability E4S (v.8.8), Red Hat Enterprise Linux High Availability TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4139: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2303: Red Hat Enterprise Linux AppStream E4S (v.9.0), Red Hat Enterprise Linux High Availability E4S (v.9.0), Red Hat Enterprise Linux ResilientStorage E4S (v.9.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4140: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2300: Red Hat Enterprise Linux AppStream E4S (v.9.2), Red Hat Enterprise Linux High Availability E4S (v.9.2), Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4142: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2302: Red Hat Enterprise Linux AppStream EUS (v.9.4), Red Hat Enterprise Linux High Availability EUS (v.9.4), Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4143: Red Hat Enterprise Linux AppStream EUS (v.9.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2299: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4141: Red Hat Enterprise Linux AppStream EUS (v.9.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1903: Red Hat Enterprise Linux AppStream (v. 9)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:3359: Red Hat Enterprise Linux AppStream (v. 9)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:1904: Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2712: Red Hat Enterprise Linux High Availability AUS (v.8.4), Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2453: Red Hat Enterprise Linux High Availability E4S (v.8.6), Red Hat Enterprise Linux High Availability TUS (v.8.6)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:2460: Red Hat Enterprise Linux High Availability E4S (v.8.8), Red Hat Enterprise Linux High Availability TUS (v.8.8)"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:30088: Red Hat AI Inference Server 3.3"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:13553: Red Hat Ansible Automation Platform 2.5"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:13545: Red Hat Ansible Automation Platform 2.6"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:24866: Red Hat Ansible Automation Platform 2.6"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:5606: Red Hat Ceph Storage 8"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:17611: Red Hat Enterprise Linux AI 3.3"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:24977: Red Hat OpenShift AI 2.25"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:19712: Red Hat OpenShift AI 3.3"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:14020: Red Hat OpenStack 1.5"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:24476: Red Hat Trusted Artifact Signer 1.3"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:24483: Red Hat Trusted Artifact Signer 1.4"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:4943: Red Hat Update Infrastructure 5"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-01-16T20:03:33.790Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-01-16T19:03:36.442Z",
            "value": "Made public."
          }
        ],
        "title": "pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID",
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "pyasn1",
          "vendor": "pyasn1",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.6.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-16T19:03:36.442Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq"
        },
        {
          "name": "https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970"
        },
        {
          "name": "https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2"
        }
      ],
      "source": {
        "advisory": "GHSA-63vm-454h-vhhq",
        "discovery": "UNKNOWN"
      },
      "title": "pyasn1 has a DoS vulnerability in decoder"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-23490",
    "datePublished": "2026-01-16T19:03:36.442Z",
    "dateReserved": "2026-01-13T15:47:41.628Z",
    "dateUpdated": "2026-07-01T12:05:02.871Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2026/02/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2026-02-01T17:06:14.113Z\"}}, {\"title\": \"pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID\", \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Important\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"cpes\": [\"cpe:/o:redhat:rhel_els:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Server (v. 7 ELS)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::server\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Server HighAvailability (v. 7 ELS)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7::server\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Server ResilientStorage (v. 7 ELS)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_extras_sap_els:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Server for SAP ELS (v. 7)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_extras_sap_hana_els:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Server for SAPHANA ELS (v. 7)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.5::el8\", \"cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8\", \"cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.5 for RHEL 8\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openstack:17.1::el8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenStack Platform 17.1\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.5::el9\", \"cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9\", \"cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.5 for RHEL 9\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.6::el9\", \"cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9\", \"cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.6 for RHEL 9\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_ironic:4.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Ironic content for Red Hat OpenShift Container Platform 4.17\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_ironic:4.18::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Ironic content for Red Hat OpenShift Container Platform 4.18\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux_eus:10.0\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream EUS (v. 10.0)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:10.1\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream (v. 10)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream (v. 8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_aus:8.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream AUS (v. 8.2)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_aus:8.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream AUS (v.8.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_aus:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream AUS (v.8.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream E4S (v.8.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream TUS (v.8.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream E4S (v.8.8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream TUS (v.8.8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.0::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream E4S (v.9.0)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream E4S (v.9.2)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream EUS (v.9.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream EUS (v.9.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AppStream (v. 9)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:8::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux HighAvailability (v. 8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_aus:8.4::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability AUS (v.8.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus_long_life:8.4::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.6::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability E4S (v.8.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.6::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability TUS (v.8.6)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.8::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability E4S (v.8.8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.8::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability TUS (v.8.8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.0::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability E4S (v.9.0)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.2::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability E4S (v.9.2)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.4::highavailability\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux High Availability EUS (v.9.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ai_inference_server:3.3::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat AI Inference Server 3.3\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.5::el8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.5\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.6::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.6\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ceph_storage:8::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ceph Storage 8\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux_ai:3.3::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux AI 3.3\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_ai:2.25::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift AI 2.25\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_ai:3.3::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift AI 3.3\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:stf:1.5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenStack 1.5\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:trusted_artifact_signer:1.3::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Trusted Artifact Signer 1.3\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:trusted_artifact_signer:1.4::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Trusted Artifact Signer 1.4\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:8::resilientstorage\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux ResilientStorage (v. 8)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.0::resilientstorage\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux ResilientStorage E4S (v.9.0)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.2::resilientstorage\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.4::resilientstorage\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:lightspeed_core\"], \"vendor\": \"Red Hat\", \"product\": \"Lightspeed Core\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhmt:1\"], \"vendor\": \"Red Hat\", \"product\": \"Migration Toolkit for Containers\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:migration_toolkit_virtualization:2\"], \"vendor\": \"Red Hat\", \"product\": \"Migration Toolkit for Virtualization\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_lightspeed\"], \"vendor\": \"Red Hat\", \"product\": \"OpenShift Lightspeed\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ai_inference_server:3\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat AI Inference Server\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift_ai\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift AI (RHOAI)\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:4\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 4\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openstack:16.2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenStack Platform 16.2\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openstack:18.0\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenStack Platform 18.0\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:quay:3\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Quay 3\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:satellite:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Satellite 6\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2.6::el10\", \"cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2.6 for RHEL 10\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:4.17::el8\", \"cpe:/a:redhat:openshift:4.17::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 4.17\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:4.18::el8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 4.18\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/a:redhat:service_mesh:3\"], \"vendor\": \"Red Hat\", \"product\": \"OpenShift Service Mesh 3\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 6\", \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-01-16T20:03:33.790Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-01-16T19:03:36.442Z\", \"value\": \"Made public.\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"RHSA-2026:4148: Red Hat Enterprise Linux Server (v. 7 ELS)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2758: Red Hat Enterprise Linux Server HighAvailability (v. 7 ELS), Red Hat Enterprise Linux Server ResilientStorage (v. 7 ELS), Red Hat Enterprise Linux Server for SAP ELS (v. 7), Red Hat Enterprise Linux Server for SAPHANA ELS (v. 7)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:3959: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:13512: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:28042: Red Hat OpenStack Platform 17.1\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:3958: Red Hat Ansible Automation Platform 2.6 for RHEL 9\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:13508: Red Hat Ansible Automation Platform 2.6 for RHEL 9\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:17595: Ironic content for Red Hat OpenShift Container Platform 4.17\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:17446: Ironic content for Red Hat OpenShift Container Platform 4.18\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2309: Red Hat Enterprise Linux AppStream EUS (v. 10.0)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4138: Red Hat Enterprise Linux AppStream EUS (v. 10.0)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:1905: Red Hat Enterprise Linux AppStream (v. 10)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:3354: Red Hat Enterprise Linux AppStream (v. 10)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:1906: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4146: Red Hat Enterprise Linux AppStream (v. 8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4145: Red Hat Enterprise Linux AppStream AUS (v. 8.2)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2483: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4), Red Hat Enterprise Linux High Availability AUS (v.8.4), Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4147: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2486: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6), Red Hat Enterprise Linux High Availability E4S (v.8.6), Red Hat Enterprise Linux High Availability TUS (v.8.6)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4144: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2221: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8), Red Hat Enterprise Linux High Availability E4S (v.8.8), Red Hat Enterprise Linux High Availability TUS (v.8.8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4139: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2303: Red Hat Enterprise Linux AppStream E4S (v.9.0), Red Hat Enterprise Linux High Availability E4S (v.9.0), Red Hat Enterprise Linux ResilientStorage E4S (v.9.0)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4140: Red Hat Enterprise Linux AppStream E4S (v.9.0)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2300: Red Hat Enterprise Linux AppStream E4S (v.9.2), Red Hat Enterprise Linux High Availability E4S (v.9.2), Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4142: Red Hat Enterprise Linux AppStream E4S (v.9.2)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2302: Red Hat Enterprise Linux AppStream EUS (v.9.4), Red Hat Enterprise Linux High Availability EUS (v.9.4), Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4143: Red Hat Enterprise Linux AppStream EUS (v.9.4)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2299: Red Hat Enterprise Linux AppStream EUS (v.9.6)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4141: Red Hat Enterprise Linux AppStream EUS (v.9.6)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:1903: Red Hat Enterprise Linux AppStream (v. 9)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:3359: Red Hat Enterprise Linux AppStream (v. 9)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:1904: Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2712: Red Hat Enterprise Linux High Availability AUS (v.8.4), Red Hat Enterprise Linux HighAvailability EUS EXTENSION (v.8.4)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2453: Red Hat Enterprise Linux High Availability E4S (v.8.6), Red Hat Enterprise Linux High Availability TUS (v.8.6)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:2460: Red Hat Enterprise Linux High Availability E4S (v.8.8), Red Hat Enterprise Linux High Availability TUS (v.8.8)\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:30088: Red Hat AI Inference Server 3.3\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:13553: Red Hat Ansible Automation Platform 2.5\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:13545: Red Hat Ansible Automation Platform 2.6\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:24866: Red Hat Ansible Automation Platform 2.6\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:5606: Red Hat Ceph Storage 8\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:17611: Red Hat Enterprise Linux AI 3.3\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:24977: Red Hat OpenShift AI 2.25\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:19712: Red Hat OpenShift AI 3.3\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:14020: Red Hat OpenStack 1.5\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:24476: Red Hat Trusted Artifact Signer 1.3\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:24483: Red Hat Trusted Artifact Signer 1.4\"}, {\"lang\": \"en\", \"value\": \"RHSA-2026:4943: Red Hat Update Infrastructure 5\"}], \"x_adpType\": \"supplier\", \"datePublic\": \"2026-01-16T19:03:36.442Z\", \"references\": [{\"url\": \"https://access.redhat.com/security/cve/CVE-2026-23490\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2430472\", \"name\": \"RHBZ#2430472\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23490.json\", \"tags\": [\"x_sadp-csaf-vex\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4148\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2758\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:3959\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:13512\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:28042\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:3958\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:13508\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:17595\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:17446\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2309\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4138\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:1905\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:3354\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:1906\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4146\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4145\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2483\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4147\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2486\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4144\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2221\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4139\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2303\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4140\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2300\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4142\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2302\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4143\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2299\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4141\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:1903\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:3359\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:1904\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2712\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2453\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:2460\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:30088\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:13553\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:13545\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:24866\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:5606\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:17611\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:24977\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:19712\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:14020\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:24476\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:24483\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:4943\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}], \"x_generator\": {\"engine\": \"sadp-cli 1.0.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in pyasn1, a generic ASN.1 library for Python. A remote attacker could exploit this vulnerability by sending a specially crafted RELATIVE-OID with excessive continuation octets. This input validation vulnerability leads to memory exhaustion, resulting in a Denial of Service (DoS) for the affected system.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\", \"shortName\": \"redhat-SADP\", \"dateUpdated\": \"2026-07-01T12:05:02.871Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-23490\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-16T19:23:28.531270Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-16T19:23:44.563Z\"}}], \"cna\": {\"title\": \"pyasn1 has a DoS vulnerability in decoder\", \"source\": {\"advisory\": \"GHSA-63vm-454h-vhhq\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"pyasn1\", \"product\": \"pyasn1\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 0.6.2\"}]}], \"references\": [{\"url\": \"https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq\", \"name\": \"https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970\", \"name\": \"https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2\", \"name\": \"https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770: Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-01-16T19:03:36.442Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-23490\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-01T12:05:02.871Z\", \"dateReserved\": \"2026-01-13T15:47:41.628Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-01-16T19:03:36.442Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.