# CVE-2022-1197: Mozilla Thunderbird and 1 other: Improper Certificate Validation CVE-2022-1197 is fixed in 7 products on 2 platforms, first by Mozilla Thunderbird (en-US) 91.8.0, released April 5, 2022. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2022-1197 - Priority: High - CVSS: 8.8 (Important) - EPSS: 0.0040 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 6, 2022 - Weakness: CWE-295: Improper Certificate Validation - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-1197 ## Description When importing a revoked key that specified key compromise as the revocation reason, Thunderbird did not update the existing copy of the key that was not yet revoked, and the existing key was kept as non-revoked. Revocation statements that used another revocation reason, or that didn't specify a revocation reason, were unaffected. This vulnerability affects Thunderbird < 91.8. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Mozilla Thunderbird (en-US) | 91.8.0 | [Mozilla Thunderbird (en-US) 91.8.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-91.8.0.md) | Apr 5, 2022 | | Linux | thunderbird Debian 12.15 (bookworm) | 1:91.8.0-1 | [DEBIAN-CVE-2022-1197](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1197.md) | Dec 22, 2022 | | Linux | thunderbird Debian 13.5 (trixie) | 1:91.8.0-1 | [DEBIAN-CVE-2022-1197](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1197.md) | Dec 22, 2022 | | Linux | thunderbird Debian 14 | 1:91.8.0-1 | [DEBIAN-CVE-2022-1197](https://patchblox.com/security/data/fix/linux/debian-cve-2022-1197.md) | Dec 22, 2022 | | Linux | thunderbird RHEL 8 | 0:91.8.0-1.el8_5 | [RHSA-2022:1301](https://patchblox.com/security/data/fix/linux/rhsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | thunderbird almalinux 8 | 91.8.0-1.el8_5.alma | [ALSA-2022:1301](https://patchblox.com/security/data/fix/linux/alsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird ol 8 | 0:91.8.0-1.0.1.el8_5 | [ELSA-2022-1301](https://patchblox.com/security/data/fix/linux/elsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird rocky 8 | 0:91.8.0-1.el8_5 | [RLSA-2022:1301](https://patchblox.com/security/data/fix/linux/rlsa-2022-1301.md) | Apr 11, 2022 | | Linux | thunderbird-gnome-support Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-gnome-support 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-gnome-support Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird-gnome-support 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-gnome-support-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [thunderbird-mozsymbols 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | thunderbird-mozsymbols Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [thunderbird-mozsymbols 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-thunderbird-mozsymbols-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-calendar-timezones Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-calendar-timezones 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-calendar-timezones Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-calendar-timezones 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-calendar-timezones-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-gdata-provider Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-gdata-provider 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-gdata-provider Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-gdata-provider 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-gdata-provider-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-lightning Ubuntu 18.04.6 LTS (bionic) | 1:91.8.1+build1-0ubuntu0.18.04.1 | [xul-ext-lightning 1:91.8.1+build1-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xul-ext-lightning-1-91.8.1-build1-0ubuntu0.18.04.1.md) | Apr 6, 2022 | | Linux | xul-ext-lightning Ubuntu 20.04 LTS (focal) | 1:91.8.1+build1-0ubuntu0.20.04.1 | [xul-ext-lightning 1:91.8.1+build1-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xul-ext-lightning-1-91.8.1-build1-0ubuntu0.20.04.1.md) | Apr 6, 2022 | --- Data as of 2026-11-08T00:53:09Z UTC. 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