CVE-2022-38476

Mozilla Thunderbird and 1 other: Use After Free

CVE-2022-38476 is fixed in 9 products on 2 platforms, first by RHSA-2022:6175, released August 24, 2022. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms
CVSS
8.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0086
58th percentile

A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Thunderbird (en-US) 102.3.0 Mozilla Thunderbird (en-US) 102.3.0 Sep 14, 2022
Linux
firefox · RHEL 8 0:91.13.0-1.el8_6 RHSA-2022:6175 Aug 24, 2022
firefox · RHEL 9 0:91.13.0-1.el9_0 RHSA-2022:6174 Aug 24, 2022
firefox · almalinux 8 91.13.0-1.el8_6.alma ALSA-2022:6175 Aug 24, 2022
firefox · almalinux 9 91.13.0-1.el9_0.alma ALSA-2022:6174 Aug 24, 2022
firefox · ol 8 0:91.13.0-1.0.1.el8_6 ELSA-2022-6175 Aug 25, 2022
firefox · ol 9 0:91.13.0-1.0.1.el9_0 ELSA-2022-6174 Aug 25, 2022
firefox · rocky 8 0:91.13.0-1.el8_6 RLSA-2022:6175 Aug 24, 2022
firefox-esr · Debian 12.15 (bookworm) 102.2.0esr-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
firefox-esr · Debian 13.5 (trixie) 102.2.0esr-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
firefox-esr · Debian 14 102.2.0esr-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
thunderbird · Debian 12.15 (bookworm) 1:102.2.0-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
thunderbird · Debian 13.5 (trixie) 1:102.2.0-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
thunderbird · Debian 14 1:102.2.0-1 DEBIAN-CVE-2022-38476 Dec 22, 2022
thunderbird · RHEL 8 0:91.13.0-1.el8_6 RHSA-2022:6164 Aug 24, 2022
thunderbird · RHEL 9 0:91.13.0-1.el9_0 RHSA-2022:6165 Aug 24, 2022
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 thunderbird 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
thunderbird · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 thunderbird 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 thunderbird 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022
thunderbird · almalinux 8 91.13.0-1.el8_6.alma ALSA-2022:6164 Aug 24, 2022
thunderbird · almalinux 9 91.13.0-1.el9_0.alma ALSA-2022:6165 Aug 24, 2022
thunderbird · ol 8 0:91.13.0-1.0.1.el8_6 ELSA-2022-6164 Aug 25, 2022
thunderbird · ol 9 0:91.13.0-1.0.1.el9_0 ELSA-2022-6165 Aug 25, 2022
thunderbird · rocky 8 0:91.13.0-1.el8_6 RLSA-2022:6164 Aug 24, 2022
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 thunderbird-gnome-support 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 thunderbird-gnome-support 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 thunderbird-gnome-support 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 thunderbird-mozsymbols 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 xul-ext-calendar-timezones 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 xul-ext-gdata-provider 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:102.2.2+build1-0ubuntu0.18.04.1 xul-ext-lightning 1:102.2.2+build1-0ubuntu0.18.04.1 Aug 31, 2022
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:102.2.2+build1-0ubuntu0.20.04.1 xul-ext-lightning 1:102.2.2+build1-0ubuntu0.20.04.1 Dec 22, 2022
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:102.2.2+build1-0ubuntu0.22.04.1 xul-ext-lightning 1:102.2.2+build1-0ubuntu0.22.04.1 Dec 22, 2022

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