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CVE-2026-4704

Firefox

Description

Denial-of-service in the WebRTC: Signaling component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVSS 7.5EPSS 0.414%Risk 0.78
View source
Published
2026-03-24 13:16:06
Affected versions
< 149
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H