CVE-2023-5367
Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | red hat |
| Product | red hat enterprise linux 6 extended lifecycle support - extension |
| Published | Oct 25, 2023 |
| Last Updated | Nov 6, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Service
All versions affected Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
All versions affected Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Support
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2023:6802 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:6808 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7373 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7388 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7405 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7428 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7436 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7526 access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7533 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0010 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:0128 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2169 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2170 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2995 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2996 access.redhat.com: https://access.redhat.com/errata/RHSA-2025:12751 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-5367 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2243091 lists.x.org: https://lists.x.org/archives/xorg-announce/2023-October/003430.html lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/2WS5E7H4A5J3U5YBCTMRPQVGWK5LVH7D/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/3RK66CXMXO3PCPDU3GDY5FK4UYHUXQJT/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/4YBK3I6SETHETBHDETFWM3VSZUQICIDV/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/AKKIE626TZOOPD533EYN47J4RFNHZVOP/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/HO2Q2NP6R62ZRQQG3XQ4AXUT7J2EKKKY/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/L2RMNR4235YXZZQ2X7Q4MTOZDMZ7BBQU/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/SEDJN4VFN57K5POOC7BNVD6L6WUUCSG6/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/SN6KV4XGQJRVAOSM5C3CWMVAXO53COIP/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/TJXNI4BXURC2BKPNAHFJK3C5ZETB7PER/ security.gentoo.org: https://security.gentoo.org/glsa/202401-30 security.netapp.com: https://security.netapp.com/advisory/ntap-20231130-0004/ debian.org: https://www.debian.org/security/2023/dsa-5534 lists.debian.org: https://lists.debian.org/debian-lts-announce/2023/10/msg00036.html