Out-of-bounds write in xorg-x11-server
Priority MEDIUM 45CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 13 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02717 86th percentileScored 2026-11-07
Fix Partial Red Hat: 9 advisoriesRed Hat: 13 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| — | xorg-x11-server | xorg-x11-server-1.20.4 | — | No fix listed | CNA |
- xorg-x11-server Vendor— Affected xorg-x11-server-1.20.4 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:x.org:x_server:1.20.4:*:*:*:*:*:*:* | 1.20.4 | Vulnerable | x.org |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:a:x.org:x_server:1.20.4:*:*:*:*:*:*:* Versions 1.20.4 Vulnerable ·x.org
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
Red Hat 9 advisories
- RHSA-2025:12751 Released 2025-08-04 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) tigervnc-1.1.0-25.el6_10.13, tigervnc-server-1.1.0-25.el6_10.13
- Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) tigervnc-server-applet-1.1.0-25.el6_10.13, tigervnc-server-module-1.1.0-25.el6_10.13
- RHSA-2023:2805 Released 2023-05-16 · Red Hat rating Moderatexorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-Xwayland-21.1.3-10.el8
- RHSA-2023:2830 Released 2023-05-16 · Red Hat rating Moderatetigervnc security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) tigervnc-1.12.0-15.el8_8, tigervnc-icons-1.12.0-15.el8_8, tigervnc-license-1.12.0-15.el8_8 +4
Show 6 more Red Hat advisories
- RHSA-2023:2806 Released 2023-05-16 · Red Hat rating Moderatexorg-x11-server security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-1.20.11-15.el8, xorg-x11-server-Xdmx-1.20.11-15.el8, xorg-x11-server-Xephyr-1.20.11-15.el8 +4
- Red Hat Enterprise Linux CRB (v. 8) xorg-x11-server-devel-1.20.11-15.el8, xorg-x11-server-source-1.20.11-15.el8
- RHSA-2023:2257 Released 2023-05-09 · Red Hat rating Moderatetigervnc security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 9) tigervnc-1.12.0-13.el9_2, tigervnc-icons-1.12.0-13.el9_2, tigervnc-license-1.12.0-13.el9_2 +4
- RHSA-2023:2249 Released 2023-05-09 · Red Hat rating Moderatexorg-x11-server-Xwayland security update
- Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-Xwayland-21.1.3-7.el9
- RHSA-2023:2248 Released 2023-05-09 · Red Hat rating Moderatexorg-x11-server security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-1.20.11-17.el9, xorg-x11-server-Xdmx-1.20.11-17.el9, xorg-x11-server-Xephyr-1.20.11-17.el9 +4
- Red Hat Enterprise Linux CRB (v. 9) xorg-x11-server-devel-1.20.11-17.el9, xorg-x11-server-source-1.20.11-17.el9
- RHSA-2023:0045 Released 2023-01-09 · Red Hat rating Importanttigervnc security update
- Red Hat Enterprise Linux Client (v. 7) tigervnc-1.8.0-23.el7_9, tigervnc-icons-1.8.0-23.el7_9, tigervnc-license-1.8.0-23.el7_9 +2
- Red Hat Enterprise Linux Client Optional (v. 7) tigervnc-server-applet-1.8.0-23.el7_9, tigervnc-server-module-1.8.0-23.el7_9
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) tigervnc-1.8.0-23.el7_9, tigervnc-icons-1.8.0-23.el7_9, tigervnc-server-1.8.0-23.el7_9 +2
- Red Hat Enterprise Linux Server (v. 7) tigervnc-1.8.0-23.el7_9, tigervnc-icons-1.8.0-23.el7_9, tigervnc-license-1.8.0-23.el7_9 +2
- Red Hat Enterprise Linux Server Optional (v. 7) tigervnc-server-applet-1.8.0-23.el7_9, tigervnc-server-module-1.8.0-23.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) tigervnc-1.8.0-23.el7_9, tigervnc-icons-1.8.0-23.el7_9, tigervnc-license-1.8.0-23.el7_9 +2
- Red Hat Enterprise Linux Workstation Optional (v. 7) tigervnc-server-applet-1.8.0-23.el7_9, tigervnc-server-module-1.8.0-23.el7_9
- RHSA-2023:0046 Released 2023-01-09 · Red Hat rating Importantxorg-x11-server security update
- Red Hat Enterprise Linux Client (v. 7) xorg-x11-server-1.20.4-21.el7_9, xorg-x11-server-Xephyr-1.20.4-21.el7_9, xorg-x11-server-Xorg-1.20.4-21.el7_9 +1
- Red Hat Enterprise Linux Client Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-21.el7_9, xorg-x11-server-Xnest-1.20.4-21.el7_9, xorg-x11-server-Xvfb-1.20.4-21.el7_9 +3
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) xorg-x11-server-1.20.4-21.el7_9, xorg-x11-server-Xdmx-1.20.4-21.el7_9, xorg-x11-server-Xephyr-1.20.4-21.el7_9 +7
- Red Hat Enterprise Linux Server (v. 7) xorg-x11-server-1.20.4-21.el7_9, xorg-x11-server-Xephyr-1.20.4-21.el7_9, xorg-x11-server-Xorg-1.20.4-21.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-21.el7_9, xorg-x11-server-Xnest-1.20.4-21.el7_9, xorg-x11-server-Xvfb-1.20.4-21.el7_9 +4
- Red Hat Enterprise Linux Workstation (v. 7) xorg-x11-server-1.20.4-21.el7_9, xorg-x11-server-Xephyr-1.20.4-21.el7_9, xorg-x11-server-Xorg-1.20.4-21.el7_9 +1
- Red Hat Enterprise Linux Workstation Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-21.el7_9, xorg-x11-server-Xnest-1.20.4-21.el7_9, xorg-x11-server-Xvfb-1.20.4-21.el7_9 +3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
xorg-x11-server — FEDORA-2022-721a78b7e5
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-22887 Use after free in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22884 Out-of-bounds write in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22888 Out-of-bounds read in xorg-x11-serverPriority MEDIUM 43
- Advisory ·
xorg-x11-server — FEDORA-2022-c3a65f7c65
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-22887 Use after free in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22884 Out-of-bounds write in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22888 Out-of-bounds read in xorg-x11-serverPriority MEDIUM 43
Show 2 more groups
- Advisory ·
xorg-x11-server — FEDORA-2022-dd3eb7e0a8
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-22887 Use after free in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22884 Out-of-bounds write in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22888 Out-of-bounds read in xorg-x11-serverPriority MEDIUM 43
- Advisory ·
xorg-x11-server — DSA-5304
6 records Highest priority Priority MEDIUM 5 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-22887 Use after free in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22884 Out-of-bounds write in xorg-x11-serverPriority MEDIUM 45
- TI-2022-22888 Out-of-bounds read in xorg-x11-serverPriority MEDIUM 43
Vendor assessments
Red Hat
Red Hat rating: Important. 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 AppStream (v. 8) | Fixed | RHSA-2023:2805, RHSA-2023:2806, RHSA-2023:2830 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:2248, RHSA-2023:2249, RHSA-2023:2257 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2023:2806 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2023:2248 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) | Fixed | RHSA-2025:12751 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) | Fixed | RHSA-2025:12751 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2023:0045, RHSA-2023:0046 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-46341
- 2026-10-03 Alias added: GHSA-cj4x-645f-6pwx
References
Sources
- CVE-2022-46341 · CVE Program
- CVE-2022-46341 · NVD
- FIRST EPSS
- GHSA-cj4x-645f-6pwx · GitHub Advisory Database · CC BY 4.0
- CVE-2022-46341 · Red Hat security data · CC BY 4.0
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