CVE-2026-4724

critical

Description

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

References

https://www.mozilla.org/security/advisories/mfsa2026-20/

https://bugzilla.mozilla.org/show_bug.cgi?id=2014865

Details

Source: Mitre, NVD

Published: 2026-03-24

Updated: 2026-03-24

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical