CVE-2025-11711mediumCWE-591

CVE-2025-11711: fallo de gravedad media en Mozilla Firefox

Some non-writable Object properties could be modified

Publicada el 14 oct 2025 · Actualizada el 13 abr 2026

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Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.5epss 0.2%

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

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

Productos afectados

Mozilla · Firefox Mozilla · Thunderbird

CVEs relacionadas — Mozilla Firefox

En el mismo producto, de las más peligrosas a las menos.

CVE-2016-9079HIGHCVE-2016-9079EPSS 87.4%KEV CVE-2019-11708CRITICALCVE-2019-11708EPSS 55.9%KEV CVE-2019-17026HIGHCVE-2019-17026EPSS 46.3%KEV CVE-2019-11707HIGHCVE-2019-11707EPSS 38.0%KEV CVE-2024-9680CRITICALCVE-2024-9680EPSS 23.2%KEV CVE-2022-26485HIGHCVE-2022-26485EPSS 14.3%KEV

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=1989978 https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html https://www.mozilla.org/security/advisories/mfsa2025-81/https://www.mozilla.org/security/advisories/mfsa2025-82/https://www.mozilla.org/security/advisories/mfsa2025-83/https://www.mozilla.org/security/advisories/mfsa2025-84/https://www.mozilla.org/security/advisories/mfsa2025-85/