CVE-2026-0879

CRITICAL

9.8

Descripcion

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

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

Publicado1/13/2026

Ultima modificacion1/22/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

mozilla:firefoxmozilla:thunderbird

Debilidades (CWE)

CWE-119

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2004602(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-01/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-02/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-03/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-04/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-05/(security@mozilla.org)

Correlaciones IOC

Sin correlaciones registradas

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