CVE-2026-100795
Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
- Published Sep 29, 2026
- CVSS 6.5 medium
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Denial-of-service in the Networking component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.