Vulnerability-Lookup

GHSA-PP6J-X3QR-CJGJ

Vulnerability from github – Published: 2026-06-16 15:33 – Updated: 2026-06-30 15:30

Details

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

Severity ?

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-12298"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125",
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-16T13:16:30Z",
    "severity": "MODERATE"
  },
  "details": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.",
  "id": "GHSA-pp6j-x3qr-cjgj",
  "modified": "2026-06-30T15:30:33Z",
  "published": "2026-06-16T15:33:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12298"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:27717"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:27733"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:27734"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:29940"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:30846"
    },
    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:33445"
    },
    {
      "type": "WEB",
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    },
    {
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      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2041981"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489248"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-57"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-58"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-60"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-61"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-12298 (GCVE-0-2026-12298)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-30 12:05

Title

Memory safety bug fixed in Firefox 152

Summary

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Severity ?

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CWE

CWE-125 - Out-of-bounds Read
CWE-787 - Out-of-bounds Write
CWE-416 - Use After Free

Assigner

mozilla

References

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=2041981
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…
	https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)

Mozilla

Thunderbird

Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)

Credits

Haruka Yamazaki

Show details on NVD website

JSON

To clipboard

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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.

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GHSA-PP6J-X3QR-CJGJ

CVE-2026-12298 (GCVE-0-2026-12298)

Tags

Sightings

Nomenclature