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Vulnerability · Published Jan 26, 2025 · Assigned by mitre

CVE-2022-49043

High 8.1

In plain English

A high-severity use-after-free in libxml2 from xmlsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libxml22.9.7-18.el8_10.2ALSA-2025:1517
AlmaLinux:9libxml22.9.13-6.el9_5.1ALSA-2025:1350
AlmaLinux:8libxml2-devel2.9.7-18.el8_10.2ALSA-2025:1517
AlmaLinux:9libxml2-devel2.9.13-6.el9_5.1ALSA-2025:1350
AlmaLinux:8python3-libxml22.9.7-18.el8_10.2ALSA-2025:1517
AlmaLinux:9python3-libxml22.9.13-6.el9_5.1ALSA-2025:1350
Debian:12libxml22.9.14+dfsg-1.3~deb12u2DSA-5949-1
Debian:12libxml22.9.14+dfsg-1.3~deb12u2DEBIAN-CVE-2022-49043
Debian:13libxml22.12.7+dfsg+really2.9.14-0.4DEBIAN-CVE-2022-49043
Debian:14libxml22.12.7+dfsg+really2.9.14-0.4DEBIAN-CVE-2022-49043
Rocky Linux:8libxml20:2.9.7-18.el8_10.2RLSA-2025:1517
Ubuntu:22.04:LTSlibxml22.9.13+dfsg-1ubuntu0.6USN-7302-1
Ubuntu:22.04:LTSlibxml22.9.13+dfsg-1ubuntu0.5USN-7240-1
Ubuntu:22.04:LTSlibxml22.9.13+dfsg-1ubuntu0.5UBUNTU-CVE-2022-49043
Ubuntu:24.04:LTSlibxml22.9.14+dfsg-1.3ubuntu3.1UBUNTU-CVE-2022-49043
Ubuntu:24.04:LTSlibxml22.9.14+dfsg-1.3ubuntu3.1USN-7240-1
Ubuntu:24.04:LTSlibxml22.9.14+dfsg-1.3ubuntu3.2USN-7302-1

Affected products (as reported)

VendorProductVersions
xmlsoft libxml2 2.0.0 – before 2.11.0

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References