Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.mozilla.org/security/advisories/mfsa2026-68/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 5
- CwesCWE-190NVD modified 2026-10-24 20:10
- Cpes+1 CPE criteria (now 1)NVD modified 2026-10-24 20:10
- StatusPublished → ModifiedNVD modified 2026-10-24 20:10
- CVSS9.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)NVD modified 2026-10-24 20:10
- First seenunscored · mozillaNVD modified 2026-10-21 13:50
Affected (CPE criteria) 1
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*