Debian/thunderbird: critical 9.6
Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 14
Action: Upgrade thunderbird to 1:140.17.0esr-1~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.17.0esr-1~deb12u1 | - |
Fixed versions
| 1:140.17.0esr-1~deb12u1 |
Sources
- osv: DEBIAN-CVE-2026-100775#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-100775
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