CVEvulnerability
CVE-2025-10527
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-09-16
- Last modified
- 2026-10-23
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Weaknesses
- CWE-416
Description
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Affected configurations
• mozilla firefox (< 140.3.0)
• mozilla firefox (<= 143.0)
• mozilla thunderbird (< 140.3.0)
• mozilla thunderbird (>= 141.0 < 143.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1984825 Broken Link
- https://www.mozilla.org/security/advisories/mfsa2025-73/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-75/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-77/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-78/ Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html lists.debian.org