CVE-2020-26976
thunderbirdVulnerabilityCVSS 6.5Patched
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 : 6.5 MEDIUM · CVSS 2.0 : 4.3 MEDIUM
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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 |
|---|---|---|---|---|
| Arch | thunderbird | 78.6.1-1 | 78.7.0-1 | fixed |
| Arch | firefox | 83.0-2 | 84.0-1 | fixed |
| Debian:11 | firefox-esr | - | 78.7.0esr-1 | fixed |
| Debian:12 | firefox-esr | - | 78.7.0esr-1 | fixed |
| Debian:13 | firefox-esr | - | 78.7.0esr-1 | fixed |
| Debian:14 | firefox-esr | - | 78.7.0esr-1 | fixed |
| Debian:9 | firefox-esr | - | 78.7.0esr-1~deb9u1 | fixed |
| Debian:10 | firefox-esr | - | 78.7.0esr-1~deb10u1 | fixed |
| Debian:11 | thunderbird | - | 1:78.7.0-1 | fixed |
| Debian:12 | thunderbird | - | 1:78.7.0-1 | fixed |
| Debian:13 | thunderbird | - | 1:78.7.0-1 | fixed |
| Debian:14 | thunderbird | - | 1:78.7.0-1 | fixed |
| Debian:9 | thunderbird | - | 1:78.7.0-1~deb9u1 | fixed |
| Debian:10 | thunderbird | - | 1:78.7.0-1~deb10u1 | fixed |
| Ubuntu:16.04:LTS | firefox | - | 84.0+build3-0ubuntu0.16.04.1 | fixed |
| Ubuntu:18.04:LTS | firefox | - | 84.0+build3-0ubuntu0.18.04.1 | fixed |
| Ubuntu:20.04:LTS | firefox | - | 84.0+build3-0ubuntu0.20.04.1 | 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:HPE Helion OpenStack 8 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:OpenStack Cloud 7 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:OpenStack Cloud 8 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:OpenStack Cloud 9 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 8 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:OpenStack Cloud Crowbar 9 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Software Development Kit 12 SP5 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-LTSS | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP2-BCL | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-LTSS | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP3-BCL | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP4-LTSS | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server 12 SP5 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Enterprise Storage 5 | MozillaFirefox | - | 78.7.0-112.45.1 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP1-BCL | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise Server 15 SP1-LTSS | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP1 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Manager Proxy 4.0 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Manager Retail Branch Server 4.0 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Manager Server 4.0 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Enterprise Storage 6 | MozillaFirefox | - | 78.7.0-3.128.2 | fixed |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP2 | MozillaFirefox | - | 78.7.0-8.26.2 | fixed |
| SUSE:Linux Enterprise Server 11 SP4-LTSS | MozillaFirefox | - | 78.7.0-78.114.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP1 | MozillaThunderbird | - | 78.7.0-3.119.1 | fixed |
| SUSE:Linux Enterprise Workstation Extension 15 SP2 | MozillaThunderbird | - | 78.7.0-8.9.1 | fixed |
| openSUSE:Leap 15.1 | MozillaFirefox | - | 78.7.0-lp151.2.88.2 | fixed |
| openSUSE:Leap 15.2 | MozillaFirefox | - | 78.7.0-lp152.2.43.1 | fixed |
| openSUSE:Tumbleweed | MozillaFirefox | - | 92.0-1.2 | fixed |
| openSUSE:Leap 15.1 | MozillaThunderbird | - | 78.7.0-lp151.2.69.1 | fixed |
| openSUSE:Leap 15.2 | MozillaThunderbird | - | 78.7.0-lp152.2.29.1 | fixed |
| openSUSE:Tumbleweed | MozillaThunderbird | - | 91.1.1-1.1 | fixed |
| openSUSE:Tumbleweed | firefox-esr | - | 128.5.1-1.1 | fixed |
| Red Hat:rhel_eus:8.1::appstream | firefox | - | 0:78.7.0-2.el8_1 | fixed |
| Red Hat:enterprise_linux:8::appstream | firefox | - | 0:78.7.0-2.el8_3 | fixed |
| Red Hat:rhel_eus:8.2::appstream | firefox | - | 0:78.7.0-2.el8_2 | fixed |
| Red Hat:enterprise_linux:7::client | firefox | - | 0:78.7.0-2.el7_9 | fixed |
| Red Hat:enterprise_linux:7::server | firefox | - | 0:78.7.0-2.el7_9 | fixed |
| Red Hat:enterprise_linux:7::workstation | firefox | - | 0:78.7.0-2.el7_9 | fixed |
| Red Hat:enterprise_linux:7::client | thunderbird | - | 0:78.7.0-1.el7_9 | fixed |
| Red Hat:enterprise_linux:7::server | thunderbird | - | 0:78.7.0-1.el7_9 | fixed |
| Red Hat:enterprise_linux:7::workstation | thunderbird | - | 0:78.7.0-1.el7_9 | fixed |
| Red Hat:enterprise_linux:8::appstream | thunderbird | - | 0:78.7.0-1.el8_3 | fixed |
| Red Hat:rhel_eus:8.2::appstream | thunderbird | - | 0:78.7.0-1.el8_2 | fixed |
| Red Hat:rhel_eus:8.1::appstream | thunderbird | - | 0:78.7.0-1.el8_1 | fixed |