CVEvulnerability
CVE-2023-6212
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-11-21
- 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
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Affected configurations
• mozilla firefox (< 120.0)
• mozilla firefox esr (< 115.5.0)
• mozilla thunderbird (< 115.5)
• 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/buglist.cgi?bug_id=1658432%2C1820983%2C1829252%2C1856072%2C1856091%2C1859030%2C1860943%2C1862782 Broken Link
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html Mailing List
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html lists.debian.org
- https://www.debian.org/security/2023/dsa-5561 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-49/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-50/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-52/ Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1658432%2C1820983%2C1829252%2C1856072%2C1856091%2C1859030%2C1860943%2C1862782 Broken Link
- https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html Mailing List
- https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html lists.debian.org
- https://www.debian.org/security/2023/dsa-5561 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-49/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-50/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-52/ Release Notes, Vendor Advisory