CVE-2026-84131

Description

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

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Produits concernés

• Mozilla Firefox
• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-763

Références

• https://bugzilla.mozilla.org/show_bug.cgi?id=2060008 Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2026-82/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-83/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-84/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-85/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-86/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-87/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-88/ Vendor Advisory

Ailleurs

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