Firefox <148 & ESR<140.8: DOM Mitigation Bypass in Security Component
CVE-2026-2784 Published on February 24, 2026

Mitigation bypass in the DOM: Security component
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 148 and Firefox ESR < 140.8.

NVD


Products Associated with CVE-2026-2784

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Affected Versions

Mozilla Firefox: Mozilla Firefox ESR: Mozilla Thunderbird: Mozilla Thunderbird: