Vulnerability in Mozilla Firefox
CVE-2026-6748
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
EPSS: 0.001 (21.5th percentile) — read the EPSS interpretation.
Affected products
- Mozilla Firefox — versions 140.10, 150
- Mozilla Thunderbird — versions 140.10, 150