Firefox <149 Mitigation Bypass in Networking:HTTP Component
CVE-2026-4700 Published on March 24, 2026

Mitigation bypass in the Networking: HTTP component
Mitigation bypass in the Networking: HTTP component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

NVD


Products Associated with CVE-2026-4700

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Affected Versions

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