[CVE-2026-12291] Use-after-free in the Networking: HTTP component. This vulnerability was fixed in Firefox 152, Firef…

Descripción técnica

Use-after-free in the Networking: HTTP 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: 8.8/10 — Severidad: HIGH — Estado NIST: Modified

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

Productos afectados

Firefox, Thunderbird — Mozilla

Debilidades (CWE)

CWE-416, CWE-825

Fuente oficial

Publicado en NIST NVD.