CVE-2022-34484
Mozilla Thunderbird and 4 others: Use After Free
CVE-2022-34484 is fixed in 13 products on 2 platforms, first by Mozilla Firefox ESR (en-US) 102.0, released June 23, 2022. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0100
63rd percentile
The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox (en-US) | 102.0 | Mozilla Firefox (en-US) 102.0 | Jun 27, 2022 |
| Mozilla Firefox ESR (en-US) | 102.0 | Mozilla Firefox ESR (en-US) 102.0 | Jun 23, 2022 |
| Mozilla Thunderbird (en-US) | 102.0 | Mozilla Thunderbird (en-US) 102.0 | Jun 29, 2022 |
| Linux | |||
| firefox · RHEL 8 | 0:91.11.0-2.el8_6 | RHSA-2022:5469 | Jun 30, 2022 |
| firefox · RHEL 9 | 0:91.11.0-2.el9_0 | RHSA-2022:5481 | Jul 1, 2022 |
| firefox · Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | firefox 102.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| firefox · Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | firefox 102.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| firefox · ol 8 | 0:91.11.0-2.0.1.el8_6 | ELSA-2022-5469 | Jul 1, 2022 |
| firefox · ol 9 | 0:91.11.0-2.0.1.el9_0 | ELSA-2022-5481 | Jul 2, 2022 |
| firefox · rocky 8 | 0:91.11.0-2.el8_6 | RLSA-2022:5469 | Jun 30, 2022 |
| firefox-esr · Debian 12.15 (bookworm) | 91.11.0esr-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| firefox-esr · Debian 13.5 (trixie) | 91.11.0esr-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| firefox-esr · Debian 14 | 91.11.0esr-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | firefox-geckodriver 102.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| firefox-geckodriver · Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | firefox-geckodriver 102.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 102.0+build2-0ubuntu0.18.04.1 | firefox-mozsymbols 102.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| firefox-mozsymbols · Ubuntu 20.04 LTS (focal) | 102.0+build2-0ubuntu0.20.04.1 | firefox-mozsymbols 102.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| thunderbird · Debian 12.15 (bookworm) | 1:91.11.0-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| thunderbird · Debian 13.5 (trixie) | 1:91.11.0-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| thunderbird · Debian 14 | 1:91.11.0-1 | DEBIAN-CVE-2022-34484 | Dec 22, 2022 |
| thunderbird · RHEL 8 | 0:91.11.0-2.el8_6 | RHSA-2022:5470 | Jun 30, 2022 |
| thunderbird · RHEL 9 | 0:91.11.0-2.el9_0 | RHSA-2022:5482 | Jul 1, 2022 |
| thunderbird · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | thunderbird 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| thunderbird · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | thunderbird 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| thunderbird · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | thunderbird 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
| thunderbird · almalinux 9 | 91.11.0-2.el9_0.alma | ALSA-2022:5482 | Jul 1, 2022 |
| thunderbird · ol 8 | 0:91.11.0-2.0.1.el8_6 | ELSA-2022-5470 | Jul 1, 2022 |
| thunderbird · ol 9 | 0:91.11.0-2.0.1.el9_0 | ELSA-2022-5482 | Jul 2, 2022 |
| thunderbird · rocky 8 | 0:91.11.0-2.el8_6 | RLSA-2022:5470 | Jun 30, 2022 |
| thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | thunderbird-gnome-support 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | thunderbird-gnome-support 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | thunderbird-gnome-support 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
| thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | thunderbird-mozsymbols 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | thunderbird-mozsymbols 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | thunderbird-mozsymbols 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
| xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | xul-ext-calendar-timezones 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | xul-ext-calendar-timezones 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | xul-ext-calendar-timezones 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
| xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | xul-ext-gdata-provider 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | xul-ext-gdata-provider 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | xul-ext-gdata-provider 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
| xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) | 1:91.11.0+build2-0ubuntu0.18.04.1 | xul-ext-lightning 1:91.11.0+build2-0ubuntu0.18.04.1 | Jul 4, 2022 |
| xul-ext-lightning · Ubuntu 20.04 LTS (focal) | 1:91.11.0+build2-0ubuntu0.20.04.1 | xul-ext-lightning 1:91.11.0+build2-0ubuntu0.20.04.1 | Jul 4, 2022 |
| xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) | 1:91.11.0+build2-0ubuntu0.22.04.1 | xul-ext-lightning 1:91.11.0+build2-0ubuntu0.22.04.1 | Jul 4, 2022 |
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