Xorg-x11-server: use-after-free bug in destroywindow
Priority LOW 23CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 11 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in 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 within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.007 53rd percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 11 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 | — | 1.8.0-26.el7_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 1.20.11-22.el8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 1.13.1-8.el8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 1.20.11-24.el9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 1.13.1-8.el9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | Not affected | CNA |
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in 1.8.0-26.el7_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 1.20.11-22.el8 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 1.13.1-8.el8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 1.20.11-24.el9 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 1.13.1-8.el9 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* | before 21.1.9 | Vulnerable | x.org |
| cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* | before 23.2.2 | Vulnerable | x.org |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Debian |
- cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* Versions before 21.1.9 Vulnerable ·x.org
- cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:* Versions before 23.2.2 Vulnerable ·x.org
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Debian
Remediation
Red Hat 5 advisories
- RHSA-2024:2995 Released 2024-05-22 · Red Hat rating Moderatexorg-x11-server security update
- Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-1.20.11-22.el8, xorg-x11-server-Xdmx-1.20.11-22.el8, xorg-x11-server-Xephyr-1.20.11-22.el8 +4
- Red Hat Enterprise Linux CRB (v. 8) xorg-x11-server-devel-1.20.11-22.el8, xorg-x11-server-source-1.20.11-22.el8
- RHSA-2024:3067 Released 2024-05-22 · Red Hat rating Moderatetigervnc security update
- Red Hat Enterprise Linux AppStream (v. 8) tigervnc-1.13.1-8.el8, tigervnc-icons-1.13.1-8.el8, tigervnc-license-1.13.1-8.el8 +4
- RHSA-2024:2298 Released 2024-04-30 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux AppStream (v. 9) tigervnc-1.13.1-8.el9, tigervnc-icons-1.13.1-8.el9, tigervnc-license-1.13.1-8.el9 +4
Show 2 more Red Hat advisories
- RHSA-2024:2169 Released 2024-04-30 · Red Hat rating Moderatexorg-x11-server security update
- Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-1.20.11-24.el9, xorg-x11-server-Xdmx-1.20.11-24.el9, xorg-x11-server-Xephyr-1.20.11-24.el9 +4
- Red Hat Enterprise Linux CRB (v. 9) xorg-x11-server-devel-1.20.11-24.el9, xorg-x11-server-source-1.20.11-24.el9
- RHSA-2023:7428 Released 2023-11-21 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux Client (v. 7) tigervnc-1.8.0-26.el7_9, tigervnc-icons-1.8.0-26.el7_9, tigervnc-license-1.8.0-26.el7_9 +2
- Red Hat Enterprise Linux Client Optional (v. 7) tigervnc-server-applet-1.8.0-26.el7_9, tigervnc-server-module-1.8.0-26.el7_9
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) tigervnc-1.8.0-26.el7_9, tigervnc-icons-1.8.0-26.el7_9, tigervnc-server-1.8.0-26.el7_9 +2
- Red Hat Enterprise Linux Server (v. 7) tigervnc-1.8.0-26.el7_9, tigervnc-icons-1.8.0-26.el7_9, tigervnc-license-1.8.0-26.el7_9 +2
- Red Hat Enterprise Linux Server Optional (v. 7) tigervnc-server-applet-1.8.0-26.el7_9, tigervnc-server-module-1.8.0-26.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) tigervnc-1.8.0-26.el7_9, tigervnc-icons-1.8.0-26.el7_9, tigervnc-license-1.8.0-26.el7_9 +2
- Red Hat Enterprise Linux Workstation Optional (v. 7) tigervnc-server-applet-1.8.0-26.el7_9, tigervnc-server-module-1.8.0-26.el7_9
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 and 2 more products — RHSA-2023:7428
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-04938 Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputpropertyPriority LOW 35
- Advisory ·
Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 and 2 more products — RHSA-2024:2298
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-05131 Xorg-x11-server: use-after-free bug in damagedestroyPriority LOW 34
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:2995, RHSA-2024:3067 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2169, RHSA-2024:2298 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:2995 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:2169 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2023:7428 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2023:7428 |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5380
- 2026-10-03 Alias added: GHSA-294c-hpxh-5qrx
References
More Red Hat Enterprise Linux vulnerabilities
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- TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2023-5380 · CVE Program
- CVE-2023-5380 · NVD
- FIRST EPSS
- GHSA-294c-hpxh-5qrx · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5380 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences