Critical severity9.8NVD Advisory· Published Oct 14, 2025· Updated Apr 13, 2026
CVE-2025-11719
CVE-2025-11719
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: >=143.0,<144.0
- (no CPE)range: >=143, <144
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: >=143.0,<144.0
- (no CPE)range: >=143, <144
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2025-81/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-84/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
News mentions
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