CVE-2022-22747
Mozilla Firefox ESR and 3 others: Improper Certificate Validation
CVE-2022-22747 is fixed in 15 products on 2 platforms, first by Mozilla Thunderbird (en-US) 91.5.0, released January 6, 2022. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
9.6
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0067
52nd percentile
After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox ESR (en-US) | 102.0 | Mozilla Firefox ESR (en-US) 102.0 | Jun 23, 2022 |
| Mozilla Thunderbird (en-US) | 91.5.0 | Mozilla Thunderbird (en-US) 91.5.0 | Jan 6, 2022 |
| Linux | |||
| firefox · RHEL 8 | 0:91.5.0-1.el8_5 | RHSA-2022:0130 | Jan 12, 2022 |
| firefox · Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | firefox 96.0+build2-0ubuntu0.18.04.1 | Jan 12, 2022 |
| firefox · Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | firefox 96.0+build2-0ubuntu0.20.04.1 | Jan 12, 2022 |
| firefox · Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | firefox 96.0+build2-0ubuntu1 | Jan 12, 2022 |
| firefox · almalinux 8 | 91.5.0-1.el8_5.alma | ALSA-2022:0130 | Jan 12, 2022 |
| firefox · ol 8 | 0:91.5.0-1.0.1.el8_5 | ELSA-2022-0130 | Jan 13, 2022 |
| firefox · rocky 8 | 0:91.5.0-1.el8_5 | RLSA-2022:0130 | Jan 12, 2022 |
| firefox-esr · Debian 12.15 (bookworm) | 91.5.0esr-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| firefox-esr · Debian 13.5 (trixie) | 91.5.0esr-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| firefox-esr · Debian 14 | 91.5.0esr-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | firefox-geckodriver 96.0+build2-0ubuntu0.18.04.1 | Jan 12, 2022 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 96.0+build2-0ubuntu0.20.04.1 | Jan 12, 2022 |
| firefox-geckodriver · Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | firefox-geckodriver 96.0+build2-0ubuntu1 | Jan 12, 2022 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 96.0+build2-0ubuntu0.18.04.1 | firefox-mozsymbols 96.0+build2-0ubuntu0.18.04.1 | Jan 12, 2022 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 96.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 96.0+build2-0ubuntu0.20.04.1 | Jan 12, 2022 |
| firefox-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 96.0+build2-0ubuntu1 | firefox-mozsymbols 96.0+build2-0ubuntu1 | Jan 12, 2022 |
| libnss3 · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.15 | libnss3 2:3.35-2ubuntu2.15 | Jul 4, 2022 |
| libnss3 · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.8 | libnss3 2:3.49.1-1ubuntu1.8 | Jul 4, 2022 |
| libnss3-tools · Ubuntu 18.04.6 LTS (bionic) | 2:3.35-2ubuntu2.15 | libnss3-tools 2:3.35-2ubuntu2.15 | Jul 4, 2022 |
| libnss3-tools · Ubuntu 20.04 LTS (focal) | 2:3.49.1-1ubuntu1.8 | libnss3-tools 2:3.49.1-1ubuntu1.8 | Jul 4, 2022 |
| nss · Debian 11.6 (bullseye) | 2:3.61-1+deb11u2 | DSA-5062-1 | Jan 25, 2022 |
| nss · Debian 12.15 (bookworm) | 2:3.73-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| nss · Debian 13.5 (trixie) | 2:3.73-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| nss · Debian 14 | 2:3.73-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| thunderbird · Debian 12.15 (bookworm) | 1:91.5.0-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| thunderbird · Debian 13.5 (trixie) | 1:91.5.0-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| thunderbird · Debian 14 | 1:91.5.0-1 | DEBIAN-CVE-2022-22747 | Dec 22, 2022 |
| thunderbird · RHEL 8 | 0:91.5.0-1.el8_5 | RHSA-2022:0129 | Jan 12, 2022 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | thunderbird 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | thunderbird 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | thunderbird 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
| thunderbird · almalinux 8 | 91.5.0-1.el8_5.alma.plus | ALSA-2022:0129 | Jan 12, 2022 |
| thunderbird · ol 8 | 0:91.5.0-1.0.1.el8_5 | ELSA-2022-0129 | Jan 13, 2022 |
| thunderbird · rocky 8 | 0:91.5.0-1.el8_5 | RLSA-2022:0129 | Jan 12, 2022 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | thunderbird-gnome-support 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | thunderbird-gnome-support 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | thunderbird-mozsymbols 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | xul-ext-calendar-timezones 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | xul-ext-gdata-provider 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:91.5.0+build1-0ubuntu0.18.04.1 | xul-ext-lightning 1:91.5.0+build1-0ubuntu0.18.04.1 | Feb 16, 2023 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:91.5.0+build1-0ubuntu0.20.04.1 | xul-ext-lightning 1:91.5.0+build1-0ubuntu0.20.04.1 | Feb 16, 2023 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:91.5.0+build1-0ubuntu1 | xul-ext-lightning 1:91.5.0+build1-0ubuntu1 | Jan 12, 2022 |
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