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.
High CVSS 8.1
Summary
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.
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=2050480 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-74/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-77/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-78/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-80/ Vendor Advisory
Timeline
- nvd_ingest NVD