ReviewHigh
CVE-2026-74982
Mozilla Firefox, Thunderbird, firefox
Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- CVSS
- 7.5
- EPSS
- - - percentile
- CISA KEV
- Not listed
- Published
- 2026.08.18