CVE-2023-5380
Xorg-x11-server: use-after-free bug in destroywindow
02 Description
Xorg-x11-server: use-after-free bug in destroywindow
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.70% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 52.8% of scored records. A rank, not a probability.
- NVD base score
- 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-23.
- Red Hat severity
- Moderate. 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
- 2023-10-25 19:46Z3 YR AGO
- Last updated
- 2026-06-23 17:19Z4 MO AGO
- Reserved
- 2023-10-04
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.2
- Document digest
- fb3ad1319dfd0592f072db3ec934e3fe0a12577d662774712a67e60f7be7b406
05 Affected products
06 References
- access.redhat.comRHSA-2023:7428https://access.redhat.com/errata/RHSA-2023:7428
- access.redhat.comRHSA-2024:2169https://access.redhat.com/errata/RHSA-2024:2169
- access.redhat.comRHSA-2024:2298https://access.redhat.com/errata/RHSA-2024:2298
- access.redhat.comRHSA-2024:2995https://access.redhat.com/errata/RHSA-2024:2995
- access.redhat.comRHSA-2024:3067https://access.redhat.com/errata/RHSA-2024:3067
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-5380
- bugzilla.redhat.comRHBZ#2244736https://bugzilla.redhat.com/show_bug.cgi?id=2244736
- lists.x.orghttps://lists.x.org/archives/xorg-announce/2023-October/003430.html
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2WS5E7H4A5J3U5YBCTMRPQVGWK5LVH7D/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3RK66CXMXO3PCPDU3GDY5FK4UYHUXQJT/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AKKIE626TZOOPD533EYN47J4RFNHZVOP/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HO2Q2NP6R62ZRQQG3XQ4AXUT7J2EKKKY/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SN6KV4XGQJRVAOSM5C3CWMVAXO53COIP/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJXNI4BXURC2BKPNAHFJK3C5ZETB7PER/
- security.gentoo.orghttps://security.gentoo.org/glsa/202401-30
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20231130-0004/
- www.debian.orghttps://www.debian.org/security/2023/dsa-5534
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00036.html
07 Fixed in
AlmaLinux 8
- tigervnc Fixed in 1.13.1-8.el8
- tigervnc-icons Fixed in 1.13.1-8.el8
- tigervnc-license Fixed in 1.13.1-8.el8
- tigervnc-selinux Fixed in 1.13.1-8.el8
- tigervnc-server Fixed in 1.13.1-8.el8
- tigervnc-server-minimal Fixed in 1.13.1-8.el8
- tigervnc-server-module Fixed in 1.13.1-8.el8
- xorg-x11-server-Xdmx Fixed in 1.20.11-22.el8
- xorg-x11-server-Xephyr Fixed in 1.20.11-22.el8
- xorg-x11-server-Xnest Fixed in 1.20.11-22.el8
- xorg-x11-server-Xorg Fixed in 1.20.11-22.el8
- xorg-x11-server-Xvfb Fixed in 1.20.11-22.el8
- xorg-x11-server-common Fixed in 1.20.11-22.el8
- xorg-x11-server-devel Fixed in 1.20.11-22.el8
- xorg-x11-server-source Fixed in 1.20.11-22.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 1.13.1-8.el9
- tigervnc-icons Fixed in 1.13.1-8.el9
- tigervnc-license Fixed in 1.13.1-8.el9
- tigervnc-selinux Fixed in 1.13.1-8.el9
- tigervnc-server Fixed in 1.13.1-8.el9
- tigervnc-server-minimal Fixed in 1.13.1-8.el9
- tigervnc-server-module Fixed in 1.13.1-8.el9
- xorg-x11-server-Xdmx Fixed in 1.20.11-24.el9
- xorg-x11-server-Xephyr Fixed in 1.20.11-24.el9
- xorg-x11-server-Xnest Fixed in 1.20.11-24.el9
- xorg-x11-server-Xorg Fixed in 1.20.11-24.el9
- xorg-x11-server-Xvfb Fixed in 1.20.11-24.el9
- xorg-x11-server-common Fixed in 1.20.11-24.el9
- xorg-x11-server-devel Fixed in 1.20.11-24.el9
- xorg-x11-server-source Fixed in 1.20.11-24.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 1.13.1-8.el8
- tigervnc-icons Fixed in 1.13.1-8.el8
- tigervnc-license Fixed in 1.13.1-8.el8
- tigervnc-selinux Fixed in 1.13.1-8.el8
- tigervnc-server Fixed in 1.13.1-8.el8
- tigervnc-server-minimal Fixed in 1.13.1-8.el8
- tigervnc-server-module Fixed in 1.13.1-8.el8
- xorg-x11-server-Xdmx Fixed in 1.20.11-22.el8
- xorg-x11-server-Xephyr Fixed in 1.20.11-22.el8
- xorg-x11-server-Xnest Fixed in 1.20.11-22.el8
- xorg-x11-server-Xorg Fixed in 1.20.11-22.el8
- xorg-x11-server-Xvfb Fixed in 1.20.11-22.el8
- xorg-x11-server-common Fixed in 1.20.11-22.el8
- xorg-x11-server-devel Fixed in 1.20.11-22.el8
- xorg-x11-server-source Fixed in 1.20.11-22.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 1.13.1-8.el9
- tigervnc-icons Fixed in 1.13.1-8.el9
- tigervnc-license Fixed in 1.13.1-8.el9
- tigervnc-selinux Fixed in 1.13.1-8.el9
- tigervnc-server Fixed in 1.13.1-8.el9
- tigervnc-server-minimal Fixed in 1.13.1-8.el9
- tigervnc-server-module Fixed in 1.13.1-8.el9
- xorg-x11-server-Xdmx Fixed in 1.20.11-24.el9
- xorg-x11-server-Xephyr Fixed in 1.20.11-24.el9
- xorg-x11-server-Xnest Fixed in 1.20.11-24.el9
- xorg-x11-server-Xorg Fixed in 1.20.11-24.el9
- xorg-x11-server-Xvfb Fixed in 1.20.11-24.el9
- xorg-x11-server-common Fixed in 1.20.11-24.el9
- xorg-x11-server-devel Fixed in 1.20.11-24.el9
- xorg-x11-server-source Fixed in 1.20.11-24.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 2:21.1.7-3+deb12u2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xorg-server Fixed in 2:21.1.9-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xorg-server Fixed in 2:21.1.9-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- xorg-server Fixed in 2:1.20.13-1ubuntu1~20.04.9
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 2:21.1.4-2ubuntu1.7~22.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- xorg-server Fixed in 2:21.1.7-3ubuntu2.1
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+esm8Available 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+esm6Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- xorg-server-hwe-16.04 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- xorg-server Fixed in 2:1.19.6-1ubuntu4.15+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- xorg-server-hwe-18.04 No fix yet
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.