A out-of-bounds write flaw was found in the xorg-x11-server.
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 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.
Assessment
- CVSS
- 7.8 (v3.1)
- Severity
- High
- EPSS
- 0.61% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 25 October 2023
- Last updated
- 4 November 2026
- Affected
- Red Hat · Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION · Red Hat Enterprise Linux 7 · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
- Assigner
- redhat
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
At the source
References
- https://access.redhat.com/errata/RHSA-2023:6802
- https://access.redhat.com/errata/RHSA-2023:6808
- https://access.redhat.com/errata/RHSA-2023:7373
- https://access.redhat.com/errata/RHSA-2023:7388
- https://access.redhat.com/errata/RHSA-2023:7405
- https://access.redhat.com/errata/RHSA-2023:7428
- https://access.redhat.com/errata/RHSA-2023:7436
- https://access.redhat.com/errata/RHSA-2023:7526
- https://access.redhat.com/errata/RHSA-2023:7533
- https://access.redhat.com/errata/RHSA-2024:0010
- https://access.redhat.com/errata/RHSA-2024:0128
- https://access.redhat.com/errata/RHSA-2024:2169
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