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CVE-2026-4724

Firefox

Description

Undefined behavior in the Audio/Video component. This vulnerability affects Firefox < 149 and Thunderbird < 149.

CVSS 9.1EPSS 0.322%Risk 0.94
View source
Published
2026-03-24 13:16:08
Affected versions
<149
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N