Debian/thunderbird: critical 9.8
Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Action: Upgrade thunderbird to 1:140.13.0esr-2~deb12u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:140.13.0esr-2~deb12u1 | - |
Fixed versions
| 1:140.13.0esr-2~deb12u1 |
Sources
- osv: DEBIAN-CVE-2026-16351#Debian:12/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2026-16351
published · modified · JSON