CVE-2026-100794

Description

Sandbox escape due to incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

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Produits concernés

• Mozilla Thunderbird
• Mozilla Firefox

Scores CVSS

Faiblesses (CWE)

• CWE-119

Références

• https://bugzilla.mozilla.org/show_bug.cgi?id=2028871 Permissions Required
• https://www.mozilla.org/security/advisories/mfsa2026-100/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-101/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-102/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-103/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-97/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-99/ Vendor Advisory

Ailleurs

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