CVE-2023-5367
highA out-of-bounds write flaw was found in the xorg-x11-server.
Vendor / product: X.org — x server
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.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-10-25 20:15
Modified: 2026-11-04 21:17
NVD status: Modified
Last synced 4 hours ago
Verified against the source API 2026-11-04 21:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
x.org / x_server <21.1.9
x.org / xwayland <23.2.2
redhat / enterprise_linux 7.0, 8.0, 9.0
redhat / enterprise_linux_desktop 7.0
redhat / enterprise_linux_for_ibm_z_systems 7.0_s390x
redhat / enterprise_linux_for_power_big_endian 7.0_ppc64
redhat / enterprise_linux_for_power_little_endian 7.0_ppc64le
redhat / enterprise_linux_for_scientific_computing 7.0
redhat / enterprise_linux_server 7.0
redhat / enterprise_linux_workstation 7.0
fedoraproject / fedora 37, 38, 39
debian / debian_linux 11.0, 12.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Vendor advisory: https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Patch / mitigation: https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Patch / mitigation: https://lists.x.org/archives/xorg-announce/2023-October/003430.html
References
- https://access.redhat.com/errata/RHSA-2023:6802 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:6808 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7373 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7388 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7405 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7428 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7436 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7526 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:7533 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:0010 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:0128 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:2169 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:2170 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:2995 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2024:2996 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2025:12751 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2023-5367 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2243091 secalert@redhat.com
- https://lists.x.org/archives/xorg-announce/2023-October/003430.html secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2023:6802 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:6808 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:7373 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:7388 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:7405 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/errata/RHSA-2023:7428 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 21:37 UTC · record ↗