Use-after-free in Mozilla products - CVE-2022-26485

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Main Vulnerability Database Vulnerabilities #VU61032

Use-after-free in Mozilla products - CVE-2022-26485

Published: March 5, 2022 / Updated: January 31, 2023


Vulnerability identifier: #VU61032
CSH Severity: Critical
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-2022-26485
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing XSLT parameter. A remote attacker can trick the victim to open a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.

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

Note, the vulnerability is being actively exploited in the wild.


Affected software

Mozilla Firefox
Firefox ESR
Pale Moon
Firefox for Android
Gentoo Linux
Anolis OS
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
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
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
Oracle Solaris
Slackware Linux
Ubuntu
Fedora
Dell Hybrid Client
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
firefox-esr (Debian package)
thunderbird (Debian package)
thunderbird (Red Hat package)
firefox (Red Hat package)
thunderbird
firefox
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)
IBM Cloud Pak for Multicloud Management Monitoring

How to mitigate CVE-2022-26485

Install updates from vendor's website.

Mozilla Firefox - update to 97.0.2
Firefox ESR - update to 91.6.1
Firefox for Android - update to 97.3.0
Pale Moon - update to 29.4.5
firefox-esr (Debian package) - addressed in versions 91.6.1esr-1~deb10u1, 91.6.1esr-1~deb11u1
thunderbird (Debian package) - addressed in versions 1:91.6.2-1~deb10u1, 1:91.6.2-1~deb11u1
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 - update to 91.7.0-2.0.1
firefox - update to 91.7.0-3.0.1
mail-client/thunderbird - update to 91.12.0
mail-client/thunderbird-bin - update to 91.12.0
firefox (Ubuntu package) - addressed in versions 97.0.2+build1-0ubuntu0.18.04.1, 97.0.2+build1-0ubuntu0.20.04.1, 97.0.2+build1-0ubuntu0.21.10.1
firefox - update to 98.0-2.fc35

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins