CVE-2026-6748 | Mozilla Firefox up to 149 Web Codecs uninitialized pointer

April 21, 2026 Yanac

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 149. This impacts an unknown function of the component Web Codecs. Executing a manipulation can lead to uninitialized pointer.

The identification of this vulnerability is CVE-2026-6748. The attack may be launched remotely. There is no exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More