CVEvulnerability
CVE-2025-1012
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-02-04
- Last modified
- 2026-10-05
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- 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-416
Description
A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Affected configurations
• mozilla firefox (< 115.20.0)
• mozilla firefox (< 135.0)
• mozilla firefox (>= 128.1.0 < 128.7.0)
• mozilla thunderbird (< 135.0)
• mozilla thunderbird (>= 128.0.1 < 128.7.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1939710 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-07/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-08/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-09/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-11/ Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html lists.debian.org