CVE-2025-26695
thunderbirdVulnerabilityCVSS 5.3Patched
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.
Severity metrics
CVSS 3.1 : 5.3 MEDIUM
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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 | - | 1:128.8.0esr-1~deb11u1 | fixed |
| Debian:12 | thunderbird | - | 1:128.8.0esr-1~deb12u1 | fixed |
| Debian:13 | thunderbird | - | 1:128.8.0esr-1 | fixed |
| Debian:14 | thunderbird | - | 1:128.8.0esr-1 | fixed |
| Ubuntu:22.04:LTS | thunderbird | - | 1:128.12.0+build1-0ubuntu0.22.04.1 | fixed |
| SUSE:Linux Enterprise Module for Package Hub 15 SP6 | MozillaThunderbird | - | 128.8.0-150200.8.203.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP6 | MozillaThunderbird | - | 128.8.0-150200.8.203.1 | fixed |
| openSUSE:Leap 15.6 | MozillaThunderbird | - | 128.8.0-150200.8.203.1 | fixed |