High severity7.0NVD Advisory· Published Oct 25, 2023· Updated Jun 23, 2026
CVE-2023-5574
CVE-2023-5574
Description
A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
53cpe:/a:redhat:enterprise_linux:9::appstream+ 4 more
- cpe:/a:redhat:enterprise_linux:9::appstreamrange: 0:1.13.1-8.el9
- cpe:/o:redhat:enterprise_linux:6
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:8
- cpe:/o:redhat:enterprise_linux:9
- osv-coords48 versionspkg:apk/chainguard/gtfpkg:apk/chainguard/Xnestpkg: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-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/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2015.4pkg: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%20Module%20for%20Basesystem%2015%20SP4pkg: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%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg: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%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%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Server%204.2pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP5
< 21.1.20-r0+ 47 more
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 21.1.20-r0
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.13.1-8.el9
- (no CPE)range: < 1.20.3-150400.38.29.1
- (no CPE)range: < 21.1.4-150500.7.7.1
- (no CPE)range: < 21.1.9-1.1
- (no CPE)range: < 21.1.4-150400.3.20.1
- (no CPE)range: < 22.1.5-150500.7.5.1
- (no CPE)range: < 23.2.2-2.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150400.38.29.1
- (no CPE)range: < 21.1.4-150500.7.7.1
- (no CPE)range: < 1.20.3-150400.38.29.1
- (no CPE)range: < 21.1.4-150500.7.7.1
- (no CPE)range: < 1.19.6-10.56.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.19.6-10.56.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.19.6-10.56.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 1.20.3-150200.22.5.79.1
- (no CPE)range: < 21.1.4-150400.3.20.1
- (no CPE)range: < 22.1.5-150500.7.5.1
Patches
Vulnerability mechanics
References
5- lists.x.org/archives/xorg-announce/2023-October/003430.htmlnvdPatchVendor Advisory
- access.redhat.com/security/cve/CVE-2023-5574nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- access.redhat.com/errata/RHSA-2024:2298nvd
- security.netapp.com/advisory/ntap-20231130-0004/nvd
News mentions
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