CVE-2025-1943
thunderbirdVulnerabilityCVSS 8.2Patched
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 : 8.2 HIGH
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactLow
Availability impactHigh
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
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 |
|---|---|---|---|---|
| Ubuntu:22.04:LTS | thunderbird | - | 1:140.7.1+build1-0ubuntu0.22.04.1 | fixed |
| openSUSE:Tumbleweed | MozillaFirefox | - | 136.0-1.1 | fixed |
| openSUSE:Tumbleweed | firefox-esr | - | 153.0-1.1 | fixed |