CVE-2026-100821

Description

Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

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Produits concernés

• Mozilla Firefox
• Mozilla Thunderbird

Scores CVSS

Faiblesses (CWE)

• CWE-346

Références

• https://bugzilla.mozilla.org/show_bug.cgi?id=2071784 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/mfsa2026-98/ Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2026-99/ Vendor Advisory

Ailleurs

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