CVE-2026-74981 | Mozilla Firefox up to 153.0/153 Web Codecs isolation

A vulnerability marked as critical has been reported in Mozilla Firefox up to 153.0/153. Affected by this vulnerability is an unknown functionality of the component Web Codecs. This manipulation causes improper isolation or compartmentalization.

This vulnerability appears as CVE-2026-74981. The attack may be initiated remotely. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More