CVE-2022-46344

Name: CVE-2022-46344
Creator: NVD / NIST
Published: 2022-12-14T21:15:13.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.69%

Last modified Jun 17, 2026

CVE-2022-46344 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 2.69% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.69%

83.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
X.Org	X Server	1.20.4
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37
Debian	Debian Linux	11.0

References

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

Timeline

Published: Dec 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46344?

How severe is CVE-2022-46344?

CVE-2022-46344 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.69% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46344?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46344?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST