CVE-2022-46344
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.89% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.6% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-12-14 00:00Z3 YR AGO
- Last updated
- 2025-02-13 16:33Z1 YR AGO
- Reserved
- 2022-11-30
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- 44669e1937a7d0beb4ec8e4fffcef28205adec74593845b5dc418f0970569a55
05 Affected products
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2022-46344
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2151760
- lists.fedoraproject.orgFEDORA-2022-c3a65f7c65https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/
- lists.fedoraproject.orgFEDORA-2022-721a78b7e5https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/
- www.debian.orgDSA-5304https://www.debian.org/security/2022/dsa-5304
- lists.fedoraproject.orgFEDORA-2022-dd3eb7e0a8https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/
- security.gentoo.orghttps://security.gentoo.org/glsa/202305-30
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2023/12/13/1
07 Fixed in
AlmaLinux 8
- tigervnc Fixed in 1.12.0-15.el8_8
- tigervnc-icons Fixed in 1.12.0-15.el8_8
- tigervnc-license Fixed in 1.12.0-15.el8_8
- tigervnc-selinux Fixed in 1.12.0-15.el8_8
- tigervnc-server Fixed in 1.12.0-15.el8_8
- tigervnc-server-minimal Fixed in 1.12.0-15.el8_8
- tigervnc-server-module Fixed in 1.12.0-15.el8_8
- xorg-x11-server-Xdmx Fixed in 1.20.11-15.el8
- xorg-x11-server-Xephyr Fixed in 1.20.11-15.el8
- xorg-x11-server-Xnest Fixed in 1.20.11-15.el8
- xorg-x11-server-Xorg Fixed in 1.20.11-15.el8
- xorg-x11-server-Xvfb Fixed in 1.20.11-15.el8
- xorg-x11-server-Xwayland Fixed in 21.1.3-10.el8
- xorg-x11-server-common Fixed in 1.20.11-15.el8
- xorg-x11-server-devel Fixed in 1.20.11-15.el8
- xorg-x11-server-source Fixed in 1.20.11-15.el8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- tigervnc Fixed in 1.12.0-13.el9_2
- tigervnc-icons Fixed in 1.12.0-13.el9_2
- tigervnc-license Fixed in 1.12.0-13.el9_2
- tigervnc-selinux Fixed in 1.12.0-13.el9_2
- tigervnc-server Fixed in 1.12.0-13.el9_2
- tigervnc-server-minimal Fixed in 1.12.0-13.el9_2
- tigervnc-server-module Fixed in 1.12.0-13.el9_2
- xorg-x11-server-Xdmx Fixed in 1.20.11-17.el9
- xorg-x11-server-Xephyr Fixed in 1.20.11-17.el9
- xorg-x11-server-Xnest Fixed in 1.20.11-17.el9
- xorg-x11-server-Xorg Fixed in 1.20.11-17.el9
- xorg-x11-server-Xvfb Fixed in 1.20.11-17.el9
- xorg-x11-server-Xwayland Fixed in 21.1.3-7.el9
- xorg-x11-server-common Fixed in 1.20.11-17.el9
- xorg-x11-server-devel Fixed in 1.20.11-17.el9
- xorg-x11-server-source Fixed in 1.20.11-17.el9
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- tigervnc Fixed in 1.12.0-15.el8_8
- tigervnc-icons Fixed in 1.12.0-15.el8_8
- tigervnc-license Fixed in 1.12.0-15.el8_8
- tigervnc-selinux Fixed in 1.12.0-15.el8_8
- tigervnc-server Fixed in 1.12.0-15.el8_8
- tigervnc-server-minimal Fixed in 1.12.0-15.el8_8
- tigervnc-server-module Fixed in 1.12.0-15.el8_8
- xorg-x11-server-Xdmx Fixed in 1.20.11-15.el8
- xorg-x11-server-Xephyr Fixed in 1.20.11-15.el8
- xorg-x11-server-Xnest Fixed in 1.20.11-15.el8
- xorg-x11-server-Xorg Fixed in 1.20.11-15.el8
- xorg-x11-server-Xvfb Fixed in 1.20.11-15.el8
- xorg-x11-server-Xwayland Fixed in 21.1.3-10.el8
- xorg-x11-server-common Fixed in 1.20.11-15.el8
- xorg-x11-server-devel Fixed in 1.20.11-15.el8
- xorg-x11-server-source Fixed in 1.20.11-15.el8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- tigervnc Fixed in 1.12.0-13.el9_2
- tigervnc-icons Fixed in 1.12.0-13.el9_2
- tigervnc-license Fixed in 1.12.0-13.el9_2
- tigervnc-selinux Fixed in 1.12.0-13.el9_2
- tigervnc-server Fixed in 1.12.0-13.el9_2
- tigervnc-server-minimal Fixed in 1.12.0-13.el9_2
- tigervnc-server-module Fixed in 1.12.0-13.el9_2
- xorg-x11-server-Xdmx Fixed in 1.20.11-17.el9
- xorg-x11-server-Xephyr Fixed in 1.20.11-17.el9
- xorg-x11-server-Xnest Fixed in 1.20.11-17.el9
- xorg-x11-server-Xorg Fixed in 1.20.11-17.el9
- xorg-x11-server-Xvfb Fixed in 1.20.11-17.el9
- xorg-x11-server-Xwayland Fixed in 21.1.3-7.el9
- xorg-x11-server-common Fixed in 1.20.11-17.el9
- xorg-x11-server-devel Fixed in 1.20.11-17.el9
- xorg-x11-server-source Fixed in 1.20.11-17.el9
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- xorg-server Fixed in 2:21.1.5-1
- xwayland Fixed in 2:22.1.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xorg-server Fixed in 2:21.1.5-1
- xwayland Fixed in 2:22.1.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xorg-server Fixed in 2:21.1.5-1
- xwayland Fixed in 2:22.1.6-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- xorg-server Fixed in 2:1.19.6-1ubuntu4.13
- xorg-server-hwe-18.04 Fixed in 2:1.20.8-2ubuntu2.2~18.04.9
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- xorg-server Fixed in 2:1.20.13-1ubuntu1~20.04.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- xorg-server Fixed in 2:21.1.3-2ubuntu2.5
- xwayland Fixed in 2:22.1.1-1ubuntu0.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- xorg-server Fixed in 2:1.15.1-0ubuntu2.11+esm7Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- xorg-server Fixed in 2:1.18.4-0ubuntu0.12+esm5Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- xorg-server-hwe-16.04 Fixed in 2:1.19.6-1ubuntu4.1~16.04.6+esm4Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.