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CVE-2025-11719

Use-after-free caused by the native messaging web extension API on Windows

CVSS 9.8 CRITICALEPSS 0.3%CWE-416
Vexday Risk Score
28Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 9.8EPSS 0.3%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
14 oct 2025Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H