Review reviewCritical
CVE-2026-16395
Mozilla Firefox, Thunderbird, firefox
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
- CVSS
- 9.8
- EPSS
- 0.34% 26.2% percentile
- CISA KEV
- Not listed
- Published
- 2026.07.21