CVEvulnerability
CVE-2023-6856
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-12-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
Description
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Affected configurations
• mozilla firefox (< 121.0)
• mozilla firefox esr (< 115.6)
• mozilla thunderbird (< 115.6)
• debian debian linux 10.0
• debian debian linux 11.0
• debian debian linux 12.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843782 Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5582 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-55/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1843782 Issue Tracking, Permissions Required
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202401-10 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5581 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5582 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-54/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-55/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-56/ Vendor Advisory