CVEvulnerability
CVE-2025-11719
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2025-10-14
- Last modified
- 2026-10-18
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
Affected configurations
• mozilla firefox (>= 143.0 < 144.0)
• mozilla thunderbird (>= 143.0 < 144.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1991950 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-81/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-84/ Vendor Advisory