CVEvulnerability
CVE-2025-9179
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2025-08-19
- Last modified
- 2026-10-05
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-119
Description
An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
Affected configurations
• mozilla firefox (< 115.27.0)
• mozilla firefox (< 142.0)
• mozilla firefox (>= 128.0 < 128.14.0)
• mozilla firefox (>= 140.0 < 140.2.0)
• mozilla thunderbird (< 128.14.0)
• mozilla thunderbird (< 142.0)
• mozilla thunderbird (>= 140.0 < 140.2.0)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1979527 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-64/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-65/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-66/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-67/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-70/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-71/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-72/ Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html lists.debian.org