CVE-2020-12426
firefoxVulnerabilityCVSS 8.8PatchedPoC
A public proof-of-concept or exploit code is available, raising the risk of active exploitation. 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 : 8.8 HIGH · CVSS 2.0 : 9.3 HIGH
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:16.04:LTS | firefox | - | 78.0.1+build1-0ubuntu0.16.04.1 | fixed |
| Ubuntu:18.04:LTS | firefox | - | 78.0.1+build1-0ubuntu0.18.04.1 | fixed |
| Ubuntu:20.04:LTS | firefox | - | 78.0.1+build1-0ubuntu0.20.04.1 | fixed |
| Ubuntu:18.04:LTS | thunderbird | - | 1:78.8.1+build1-0ubuntu0.18.04.1 | fixed |
| Ubuntu:20.04:LTS | thunderbird | - | 1:78.7.1+build1-0ubuntu0.20.04.1 | fixed |
| SUSE:Linux Enterprise Server 11 SP4-LTSS | MozillaFirefox | - | 78.0.1-78.80.2 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | MozillaFirefox | - | 78.0.1-3.94.2 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | MozillaFirefox | - | 78.0.1-3.94.2 | fixed |
| SUSE:HPE Helion OpenStack 8 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:OpenStack Cloud 7 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:OpenStack Cloud 8 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:OpenStack Cloud 9 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 8 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 9 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Software Development Kit 12 SP5 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-LTSS | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-BCL | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-LTSS | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-BCL | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP4-LTSS | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP5 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| SUSE:Enterprise Storage 5 | MozillaFirefox | - | 78.0.1-112.3.1 | fixed |
| openSUSE:Leap 15.2 | MozillaFirefox | - | 78.0.1-lp152.2.5.1 | fixed |
| openSUSE:Leap 15.1 | MozillaFirefox | - | 78.0.1-lp151.2.53.1 | fixed |
| openSUSE:Tumbleweed | MozillaFirefox | - | 92.0-1.2 | fixed |
| openSUSE:Tumbleweed | firefox-esr | - | 128.5.1-1.1 | fixed |