[CVE-2026-12297] Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability …

Descripción técnica

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Puntuación CVSS

Score: 9.6/10 — Severidad: CRITICAL — Estado NIST: Modified

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Productos afectados

Firefox, Thunderbird — Mozilla

Debilidades (CWE)

CWE-119, CWE-653

Fuente oficial

Publicado en NIST NVD.