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CVE-2026-6771

Mitigation bypass in the DOM: Security component

CVSS 9.8 CRITICALEPSS 0.3%CWE-288
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Mozilla · FirefoxMozilla · Thunderbird

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Referências
https://bugzilla.mozilla.org/show_bug.cgi?id=2025067https://www.mozilla.org/security/advisories/mfsa2026-30/https://www.mozilla.org/security/advisories/mfsa2026-32/https://www.mozilla.org/security/advisories/mfsa2026-33/https://www.mozilla.org/security/advisories/mfsa2026-34/