Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2022-26381

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Main Vulnerability Database Vulnerabilities #VU61105

Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2022-26381

Published: March 8, 2022 / Updated: March 9, 2022


Vulnerability identifier: #VU61105
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-26381
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content A remote attacker can trigger a use-after-free by forcing a text reflow in an SVG object and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Mozilla Firefox
Firefox ESR
Gentoo Linux
SUSE Manager Server
SUSE Manager Proxy
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
CentOS
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Oracle Solaris
Slackware Linux
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server
SUSE Linux Enterprise High Performance Computing
Ubuntu
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
SUSE Linux Enterprise Module for Packagehub Subpackages
firefox-esr (Debian package)
thunderbird (Debian package)
thunderbird (Red Hat package)
firefox (Red Hat package)
thunderbird (Ubuntu package)
thunderbird
firefox
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird-debugsource
MozillaThunderbird-debuginfo
MozillaThunderbird
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)
Mozilla Thunderbird
IBM Cloud Pak for Multicloud Management Monitoring

How to mitigate CVE-2022-26381

Install updates from vendor's website.

Mozilla Firefox - update to 98.0
Firefox ESR - update to 91.7.0
firefox-esr (Debian package) - addressed in versions 91.7.0esr-1~deb10u1, 91.7.0esr-1~deb11u1
thunderbird (Debian package) - addressed in versions 1:91.7.0-2~deb10u1, 1:91.7.0-2~deb11u1
Mozilla Thunderbird - update to 91.7.0
thunderbird (Red Hat package) - addressed in versions 91.7.0-2.el7_9, 91.7.0-2.el8_1, 91.7.0-2.el8_2, 91.7.0-2.el8_4, 91.7.0-2.el8_5
firefox (Red Hat package) - addressed in versions 91.7.0-3.el7_9, 91.7.0-3.el8_1, 91.7.0-3.el8_2, 91.7.0-3.el8_4, 91.7.0-3.el8_5
IBM Cloud Pak for Multicloud Management Monitoring - update to 2.3 Fix Pack 6
thunderbird (Ubuntu package) - addressed in versions 1:91.7.0+build2-0ubuntu0.18.04.1, 1:91.7.0+build2-0ubuntu0.20.04.1, 1:91.7.0+build2-0ubuntu0.21.10.1
thunderbird - update to 91.7.0-2.0.1
firefox - update to 91.7.0-3.0.1
MozillaThunderbird-translations-other - update to 91.7.0-150200.8.62.7
MozillaThunderbird-translations-common - update to 91.7.0-150200.8.62.7
MozillaThunderbird-debugsource - update to 91.7.0-150200.8.62.7
MozillaThunderbird-debuginfo - update to 91.7.0-150200.8.62.7
MozillaThunderbird - update to 91.7.0-150200.8.62.7
mail-client/thunderbird - update to 91.12.0
mail-client/thunderbird-bin - update to 91.12.0
firefox (Ubuntu package) - addressed in versions 98.0+build3-0ubuntu0.18.04.2, 98.0+build3-0ubuntu0.20.04.2, 98.0+build3-0ubuntu0.21.10.2, 98.0.1+build2-0ubuntu0.18.04.1, 98.0.1+build2-0ubuntu0.20.04.1, 98.0.1+build2-0ubuntu0.21.10.1, 98.0.2+build1-0ubuntu0.18.04.1, 98.0.2+build1-0ubuntu0.20.04.1, 98.0.2+build1-0ubuntu0.21.10.1

External References

Related Security Bulletins