| Name | CVE-2023-5367 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3631-1, DSA-5534-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xorg-server (PTS) | bullseye | 2:1.20.11-1+deb11u13 | fixed |
| bullseye (security) | 2:1.20.11-1+deb11u14 | fixed |
| bookworm, bookworm (security) | 2:21.1.7-3+deb12u8 | fixed |
| sid, trixie | 2:21.1.15-2 | fixed |
| xwayland (PTS) | bookworm | 2:22.1.9-1 | vulnerable |
| sid, trixie | 2:24.1.4-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - xwayland <ignored> (Minor issue; Xwayland shouldn't be running as root)
https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/541ab2ecd41d4d8689e71855d93e492bc554719a