CVE-2023-5367
HIGH7.8EPSS 0.06%xorg-server - security update
Published: 10/25/2023Modified: 4/28/2026
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.
Affected packages (4)
- Debian/xorg-serverfrom 0, < 2:1.20.11-1+deb11u8
- Debian/xorg-serverfrom 0, < 2:1.20.4-1+deb10u10
- Debian/xorg-serverfrom 0, < 2:1.20.11-1+deb11u8
- Debian/xwaylandfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |