Home/CVE/A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buff
CVE

CVE-2023-5367

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buff

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.

HIGH · CVSS 7.8 EPSS 0.00064
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Oct 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Advisories

27
rhsaRHSA-2025:12751Important
suse-csafopenSUSE-SU-2024:13361-1
suse-csafopenSUSE-SU-2024:13362-1
rhsaRHSA-2024:2170Important
rhsaRHSA-2024:2995Important
🔗

References & Sources

16
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2243091Issue TrackingThird Party Advisory
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