cve.bz

CVE-2026-4695

7.5 highEPSS 0.7%

High (7.5) in mozilla firefox. EPSS 0.7% chance of exploitation in the next 30 days.

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWEs
CWE-754, CWE-131
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON