🛡️ CVE-2023-5367
🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-787 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2023-10-25
Updated 2026-06-08
Modified 2025-11-04

Affected Packages

Software From version Fixed in
debian-linux
enterprise-linux
enterprise-linux-desktop
enterprise-linux-for-ibm-z-systems
enterprise-linux-for-power-big-endian
enterprise-linux-for-power-little-endian
enterprise-linux-for-scientific-computing
enterprise-linux-server
enterprise-linux-workstation
fedora
x-server 21.1.9
xwayland 23.2.2

References

Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2243091
Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2243091

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