CVE-2025-11715

Description

Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144, 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-119

Références

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899 Broken LinkIssue Tracking
• https://www.mozilla.org/security/advisories/mfsa2025-81/ 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