Vulnerabilidad · Publicado 21/07/2026 · Actualizado 01/08/2026
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Score: 9.8/10 — Severidad: CRITICAL — Estado NIST: Analyzed
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Firefox, Thunderbird — Mozilla
CWE-693
Publicado en NIST NVD.