CVE-2026-6776

· NIST NVD ↗

Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

HIGH
CVSS severity
7.8
CVSS base score
2026-04-21
Published

CWE codes

CWE-119

Affected products

mozilla:firefoxmozilla:thunderbird

Sources