CVE-2026-14607 (GCVE-0-2026-14607)

Vulnerability from cvelistv5 – Published: 2026-07-03 19:45 – Updated: 2026-07-03 19:45
VLAI?
Title
RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption
Summary
A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
Severity ?
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a RT-Thread Affected: 5.0.0
Affected: 5.0.1
Affected: 5.0.2
    cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*
Credits
Zephyr Saxon (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*"
          ],
          "product": "RT-Thread",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "5.0.0"
            },
            {
              "status": "affected",
              "version": "5.0.1"
            },
            {
              "status": "affected",
              "version": "5.0.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Zephyr Saxon (VulDB User)"
        },
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          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
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            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4.6,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-03T19:45:17.840Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-376115 | RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/376115"
        },
        {
          "name": "VDB-376115 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/376115/cti"
        },
        {
          "name": "CVE-2026-14607 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-14607"
        },
        {
          "name": "Submit #844622 | RT-Thread v5.0.2 Improper Handling of Parameters",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/844622"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/RT-Thread/rt-thread/issues/11428"
        },
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          "tags": [
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          ],
          "url": "https://github.com/RT-Thread/rt-thread/pull/11454"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/RT-Thread/rt-thread/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-07-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-07-03T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-03T15:56:49.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-14607",
    "datePublished": "2026-07-03T19:45:17.840Z",
    "dateReserved": "2026-07-03T13:51:39.652Z",
    "dateUpdated": "2026-07-03T19:45:17.840Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • 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.
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  • 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.