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CVE-2026-4723
CRITICAL9.8
Descripcion
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
Detalles CVE
Puntuacion CVSS v3.19.8
SeveridadCRITICAL
Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector de ataqueNETWORK
ComplejidadLOW
Privilegios requeridosNONE
Interaccion usuarioNONE
Publicado3/24/2026
Ultima modificacion3/25/2026
Fuentenvd
Avistamientos honeypot0
Productos afectados
mozilla:firefox
Debilidades (CWE)
CWE-416CWE-416
Referencias
https://bugzilla.mozilla.org/show_bug.cgi?id=2013573(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-20/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-23/(security@mozilla.org)
Correlaciones IOC
Sin correlaciones registradas
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