CVE-2026-57963
thunderbirdVulnerabilityPatched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:11 | thunderbird | - | - | affected (no fix yet) |
| Debian:12 | thunderbird | - | - | affected (no fix yet) |
| Debian:13 | thunderbird | - | - | affected (no fix yet) |
| Debian:14 | thunderbird | - | - | affected (no fix yet) |
| openSUSE:Tumbleweed | MozillaThunderbird | - | 140.12.1-1.1 | fixed |