CVE-2020-12400
firefoxVulnerabilityCVSS 4.7Patched
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 : 4.7 MEDIUM · CVSS 2.0 : 1.2 LOW
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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:16.04:LTS | firefox | - | 80.0+build2-0ubuntu0.16.04.1 | fixed |
| Ubuntu:18.04:LTS | firefox | - | 80.0+build2-0ubuntu0.18.04.1 | fixed |
| Ubuntu:20.04:LTS | firefox | - | 80.0+build2-0ubuntu0.20.04.1 | fixed |
| openSUSE:Tumbleweed | MozillaFirefox | - | 92.0-1.2 | fixed |
| openSUSE:Tumbleweed | firefox-esr | - | 128.5.1-1.1 | fixed |