CVE-2022-46344

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-14 · updated 2026-06-17
Weakness: CWE-125

Description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in out-of-bounds memory reads and potential information disclosure. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.

Affected products

Debian Linux: 11.0
Fedoraproject Fedora: 36, 37
xorg-x11-server: 1.20.4

References

http://www.openwall.com/lists/oss-security/2023/12/13/1
https://access.redhat.com/security/cve/CVE-2022-46344
https://bugzilla.redhat.com/show_bug.cgi?id=2151760
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/
https://security.gentoo.org/glsa/202305-30
https://www.debian.org/security/2022/dsa-5304
http://www.openwall.com/lists/oss-security/2023/12/13/1
https://access.redhat.com/security/cve/CVE-2022-46344
https://bugzilla.redhat.com/show_bug.cgi?id=2151760
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/

Get alerted when CVE-2022-46344 or the next vulnerability affects your stack