CVE-2026-4702

CRITICAL

9.8

Descripcion

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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 modificacion4/13/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

mozilla:firefox

Debilidades (CWE)

CWE-843CWE-843

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2013560(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-20/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-22/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-23/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-24/(security@mozilla.org)

Correlaciones IOC

Sin correlaciones registradas

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