CVE-2026-57962
Mozilla ThunderbirdVulnerabilityCVSS 5.3Patched
De multiples vulnérabilités ont été découvertes dans Mozilla Thunderbird. Elles permettent à un attaquant de provoquer une atteinte à l'intégrité des données et un déni de service.
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 vectorNetwork (remote)
Attack complexityHigh
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Key points
- CVE : CVE-2026-57962, CVE-2026-57963
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 |