CVE-2025-11719

Starting in Firefox 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 affects Firefox < 144 and Thunderbird < 144.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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mozillaCNA
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
143.0.3-1
fixed
Vulnerability Media Exposure
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1991950
https://www.mozilla.org/security/advisories/mfsa2025-81/
https://www.mozilla.org/security/advisories/mfsa2025-84/