CVE-2026-0886

Incorrect boundary conditions in the Graphics component

CVSS 5.3 MEDIUMEPSS 0.4%CWE-119

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 5.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

13 ene 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

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

Productos afectados

Mozilla · Firefox Mozilla · Thunderbird

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2005658 https://www.mozilla.org/security/advisories/mfsa2026-01/https://www.mozilla.org/security/advisories/mfsa2026-02/https://www.mozilla.org/security/advisories/mfsa2026-03/https://www.mozilla.org/security/advisories/mfsa2026-04/https://www.mozilla.org/security/advisories/mfsa2026-05/