Debian/thunderbird: critical 9.6
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
Action: Upgrade thunderbird to 1:140.10.1esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.10.1esr-1 | - |
Fixed versions
| 1:140.10.1esr-1 |
Sources
- osv: DEBIAN-CVE-2026-7321#Debian:14/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-7321
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