CVE-2022-26386

firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This...

CVE-2022-26386 is fixed in 8 products on 1 platform, first by thunderbird 1:91.7.0+build2-0ubuntu0.18.04.1, released March 8, 2022. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
Critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0071
53rd percentile

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.7.0 ESR. Security Fix(es): * Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485) * Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486) * expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235) * expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236) * expat: Integer overflow in storeRawNames() (CVE-2022-25315) * Mozilla: Use-after-free in text reflows (CVE-2022-26381) * Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383) * Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384) * Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387) * Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · RHEL 8 0:91.7.0-3.el8_5 RHSA-2022:0818 Mar 10, 2022
firefox · almalinux 8 91.7.0-3.el8_5.alma ALSA-2022:0818 Mar 10, 2022
firefox · ol 8 0:91.7.0-3.0.1.el8_5 ELSA-2022-0818 Mar 10, 2022
firefox · rocky 8 0:91.7.0-3.el8_5 RLSA-2022:0818 Mar 10, 2022
firefox-esr · Debian 12.15 (bookworm) 91.7.0esr-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
firefox-esr · Debian 13.5 (trixie) 91.7.0esr-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
firefox-esr · Debian 14 91.7.0esr-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
thunderbird · Debian 12.15 (bookworm) 1:91.7.0-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
thunderbird · Debian 13.5 (trixie) 1:91.7.0-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
thunderbird · Debian 14 1:91.7.0-1 DEBIAN-CVE-2022-26386 Dec 22, 2022
thunderbird · RHEL 8 0:91.7.0-2.el8_5 RHSA-2022:0845 Mar 14, 2022
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 thunderbird 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
thunderbird · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 thunderbird 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
thunderbird · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 thunderbird 1:91.7.0+build2-0ubuntu1 Mar 8, 2022
thunderbird · almalinux 8 91.7.0-2.el8_5.alma ALSA-2022:0845 Mar 14, 2022
thunderbird · ol 8 0:91.7.0-2.0.1.el8_5 ELSA-2022-0845 Mar 14, 2022
thunderbird · rocky 8 0:91.7.0-2.el8_5 RLSA-2022:0845 Mar 14, 2022
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 thunderbird-gnome-support 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
thunderbird-gnome-support · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 thunderbird-gnome-support 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
thunderbird-gnome-support · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 thunderbird-gnome-support 1:91.7.0+build2-0ubuntu1 Mar 8, 2022
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
thunderbird-mozsymbols · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 thunderbird-mozsymbols 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
thunderbird-mozsymbols · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 thunderbird-mozsymbols 1:91.7.0+build2-0ubuntu1 Mar 8, 2022
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
xul-ext-calendar-timezones · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 xul-ext-calendar-timezones 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
xul-ext-calendar-timezones · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 xul-ext-calendar-timezones 1:91.7.0+build2-0ubuntu1 Mar 8, 2022
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
xul-ext-gdata-provider · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 xul-ext-gdata-provider 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
xul-ext-gdata-provider · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 xul-ext-gdata-provider 1:91.7.0+build2-0ubuntu1 Mar 8, 2022
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:91.7.0+build2-0ubuntu0.18.04.1 xul-ext-lightning 1:91.7.0+build2-0ubuntu0.18.04.1 Mar 8, 2022
xul-ext-lightning · Ubuntu 20.04 LTS (focal) 1:91.7.0+build2-0ubuntu0.20.04.1 xul-ext-lightning 1:91.7.0+build2-0ubuntu0.20.04.1 Mar 8, 2022
xul-ext-lightning · Ubuntu 22.04.1 LTS (jammy) 1:91.7.0+build2-0ubuntu1 xul-ext-lightning 1:91.7.0+build2-0ubuntu1 Mar 8, 2022

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