High severity7.8NVD Advisory· Published Feb 28, 2024· Updated Apr 15, 2026
CVE-2024-21886
CVE-2024-21886
Description
A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
60- osv-coords58 versionspkg:apk/chainguard/gtfpkg:apk/chainguard/Xnestpkg:apk/chainguard/xorg-serverpkg:apk/chainguard/xorg-server-commonpkg:apk/chainguard/xorg-server-devpkg:apk/chainguard/xorg-server-docpkg:apk/chainguard/Xvfbpkg:apk/chainguard/xvfb-runpkg:apk/wolfi/gtfpkg:apk/wolfi/Xnestpkg:apk/wolfi/xorg-serverpkg:apk/wolfi/xorg-server-commonpkg:apk/wolfi/xorg-server-devpkg:apk/wolfi/xorg-server-docpkg:apk/wolfi/Xvfbpkg:apk/wolfi/xvfb-runpkg:rpm/almalinux/tigervncpkg:rpm/almalinux/tigervnc-iconspkg:rpm/almalinux/tigervnc-licensepkg:rpm/almalinux/tigervnc-selinuxpkg:rpm/almalinux/tigervnc-serverpkg:rpm/almalinux/tigervnc-server-minimalpkg:rpm/almalinux/tigervnc-server-modulepkg:rpm/almalinux/xorg-x11-server-commonpkg:rpm/almalinux/xorg-x11-server-develpkg:rpm/almalinux/xorg-x11-server-sourcepkg:rpm/almalinux/xorg-x11-server-Xdmxpkg:rpm/almalinux/xorg-x11-server-Xephyrpkg:rpm/almalinux/xorg-x11-server-Xnestpkg:rpm/almalinux/xorg-x11-server-Xorgpkg:rpm/almalinux/xorg-x11-server-Xvfbpkg:rpm/almalinux/xorg-x11-server-Xwaylandpkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/xwayland&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Server%204.3pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 21.1.11-r0+ 57 more
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 21.1.11-r0
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.13.1-3.el9_3.6.alma.1
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 1.20.11-24.el9
- (no CPE)range: < 22.1.9-5.el9
- (no CPE)range: < 21.1.4-150500.7.18.1
- (no CPE)range: < 21.1.11-1.1
- (no CPE)range: < 22.1.5-150500.7.14.1
- (no CPE)range: < 23.2.4-1.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 21.1.4-150500.7.18.1
- (no CPE)range: < 21.1.4-150500.7.18.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 1.19.6-10.65.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 1.19.6-10.65.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 1.19.6-10.65.1
- (no CPE)range: < 1.20.3-150200.22.5.88.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 1.20.3-150400.38.40.1
- (no CPE)range: < 22.1.5-150500.7.14.1
Patches
Vulnerability mechanics
References
22- access.redhat.com/errata/RHSA-2024:0320nvd
- access.redhat.com/errata/RHSA-2024:0557nvd
- access.redhat.com/errata/RHSA-2024:0558nvd
- access.redhat.com/errata/RHSA-2024:0597nvd
- access.redhat.com/errata/RHSA-2024:0607nvd
- access.redhat.com/errata/RHSA-2024:0614nvd
- access.redhat.com/errata/RHSA-2024:0617nvd
- access.redhat.com/errata/RHSA-2024:0621nvd
- access.redhat.com/errata/RHSA-2024:0626nvd
- access.redhat.com/errata/RHSA-2024:0629nvd
- access.redhat.com/errata/RHSA-2024:2169nvd
- access.redhat.com/errata/RHSA-2024:2170nvd
- access.redhat.com/errata/RHSA-2024:2995nvd
- access.redhat.com/errata/RHSA-2024:2996nvd
- access.redhat.com/errata/RHSA-2025:12751nvd
- access.redhat.com/security/cve/CVE-2024-21886nvd
- bugzilla.redhat.com/show_bug.cginvd
- lists.debian.org/debian-lts-announce/2024/01/msg00016.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ75X54CN4IFYMIV7OK3JVZ57FHQIGIC/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZ2IJJDHJETNE76VUX4G7UI5EG5HYFEH/nvd
News mentions
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