CVE-2026-74981

Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74981

Mozilla Firefox's Audio/Video: Web Codecs component has a site isolation flaw allowing cross-origin data access. Fixed in Firefox 154 and Firefox ESR 153.1; upgrade immediately. Exploitation details are not provided in the available documents.

CVE-2026-74981 Site isolation issue in the Audio/Video: Web Codecs component

Site isolation issue in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...