CVE-2025-11711

Description

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.

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Produits concernés

• Mozilla Firefox
• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-591

Références

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

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories