CVE-2022-40958

Mozilla Thunderbird and 4 others: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVE-2022-40958 is fixed in 13 products on 2 platforms, first by Mozilla Thunderbird (en-US) 102.3.0, released September 14, 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
0.0118
67th percentile

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 105.0 Mozilla Firefox (en-US) 105.0 Sep 21, 2022
Mozilla Firefox ESR (en-US) 115.4.0 Mozilla Firefox ESR (en-US) 115.4.0 Oct 17, 2023
Mozilla Thunderbird (en-US) 102.3.0 Mozilla Thunderbird (en-US) 102.3.0 Sep 14, 2022
Linux
firefox · RHEL 8 0:102.3.0-6.el8_6 RHSA-2022:6702 Sep 26, 2022
firefox · RHEL 9 0:102.3.0-6.el9_0 RHSA-2022:6700 Sep 26, 2022
firefox · Ubuntu 18.04.6 LTS (bionic) 105.0+build2-0ubuntu0.18.04.1 firefox 105.0+build2-0ubuntu0.18.04.1 Sep 27, 2022
firefox · Ubuntu 20.04 LTS (focal) 105.0+build2-0ubuntu0.20.04.1 firefox 105.0+build2-0ubuntu0.20.04.1 Sep 27, 2022
firefox · almalinux 8 102.3.0-6.el8_6.alma ALSA-2022:6702 Sep 26, 2022
firefox · almalinux 9 102.3.0-6.el9_0.alma ALSA-2022:6700 Sep 26, 2022
firefox · ol 8 0:102.3.0-6.0.1.el8_6 ELSA-2022-6702 Sep 28, 2022
firefox · ol 9 0:102.3.0-6.0.1.el9_0 ELSA-2022-6700 Sep 28, 2022
firefox · rocky 8 0:102.3.0-6.el8_6 RLSA-2022:6702 Sep 26, 2022
firefox-esr · Debian 12.15 (bookworm) 102.3.0esr-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
firefox-esr · Debian 13.5 (trixie) 102.3.0esr-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
firefox-esr · Debian 14 102.3.0esr-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
firefox-geckodriver · Ubuntu 18.04.6 LTS (bionic) 105.0+build2-0ubuntu0.18.04.1 firefox-geckodriver 105.0+build2-0ubuntu0.18.04.1 Sep 27, 2022
firefox-geckodriver · Ubuntu 20.04 LTS (focal) 105.0+build2-0ubuntu0.20.04.1 firefox-geckodriver 105.0+build2-0ubuntu0.20.04.1 Sep 27, 2022
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 105.0+build2-0ubuntu0.18.04.1 firefox-mozsymbols 105.0+build2-0ubuntu0.18.04.1 Sep 27, 2022
firefox-mozsymbols · Ubuntu 20.04 LTS (focal) 105.0+build2-0ubuntu0.20.04.1 firefox-mozsymbols 105.0+build2-0ubuntu0.20.04.1 Sep 27, 2022
thunderbird · Debian 12.15 (bookworm) 1:102.3.0-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
thunderbird · Debian 13.5 (trixie) 1:102.3.0-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
thunderbird · Debian 14 1:102.3.0-1 DEBIAN-CVE-2022-40958 Dec 22, 2022
thunderbird · RHEL 8 0:102.3.0-3.el8_6 RHSA-2022:6708 Sep 26, 2022
thunderbird · RHEL 9 0:102.3.0-3.el9_0 RHSA-2022:6717 Sep 26, 2022
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 thunderbird 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
thunderbird · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 thunderbird 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 thunderbird 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022
thunderbird · almalinux 8 102.3.0-3.el8_6.alma ALSA-2022:6708 Sep 26, 2022
thunderbird · almalinux 9 102.3.0-3.el9_0.alma ALSA-2022:6717 Sep 26, 2022
thunderbird · ol 8 0:102.3.0-3.0.1.el8_6 ELSA-2022-6708 Sep 28, 2022
thunderbird · ol 9 0:102.3.0-3.0.1.el9_0 ELSA-2022-6717 Sep 28, 2022
thunderbird · rocky 8 0:102.3.0-3.el8_6 RLSA-2022:6708 Sep 26, 2022
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 thunderbird-gnome-support 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 thunderbird-gnome-support 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 thunderbird-gnome-support 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 thunderbird-mozsymbols 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 xul-ext-calendar-timezones 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 xul-ext-gdata-provider 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:102.4.2+build2-0ubuntu0.18.04.1 xul-ext-lightning 1:102.4.2+build2-0ubuntu0.18.04.1 Oct 26, 2022
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:102.4.2+build2-0ubuntu0.20.04.1 xul-ext-lightning 1:102.4.2+build2-0ubuntu0.20.04.1 Oct 26, 2022
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:102.4.2+build2-0ubuntu0.22.04.1 xul-ext-lightning 1:102.4.2+build2-0ubuntu0.22.04.1 Oct 26, 2022

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