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Status published
High
CVE-2023-6478
Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty
Vulnerability Description
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- This issue was discovered by Peter Hutterer (Red Hat).
References
- https://access.redhat.com/errata/RHSA-2023:7886
- https://access.redhat.com/errata/RHSA-2024:0006
- https://access.redhat.com/errata/RHSA-2024:0009
- https://access.redhat.com/errata/RHSA-2024:0010
- https://access.redhat.com/errata/RHSA-2024:0014
- https://access.redhat.com/errata/RHSA-2024:0015
- https://access.redhat.com/errata/RHSA-2024:0016
- https://access.redhat.com/errata/RHSA-2024:0017
- https://access.redhat.com/errata/RHSA-2024:0018
- https://access.redhat.com/errata/RHSA-2024:0020
- https://access.redhat.com/errata/RHSA-2024:2169
- https://access.redhat.com/errata/RHSA-2024:2170
- https://access.redhat.com/errata/RHSA-2024:2995
- https://access.redhat.com/errata/RHSA-2024:2996
- https://access.redhat.com/errata/RHSA-2025:12751
- https://access.redhat.com/security/cve/CVE-2023-6478
- https://bugzilla.redhat.com/show_bug.cgi?id=2253298
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632
- https://lists.x.org/archives/xorg-announce/2023-December/003435.html
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Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 6
Vulnerable Versions:
0:1.1.0-25.el6_10.13, 0:1.8.0-28.el7_9, 0:1.20.4-25.el7_9, 0:1.13.1-2.el8_9.4, 0:1.20.11-22.el8, 0:21.1.3-15.el8, 0:1.9.0-15.el8_2.6, 0:1.11.0-8.el8_4.5, 0:1.12.0-6.el8_6.6, 0:1.12.0-15.el8_8.4, 0:1.13.1-3.el9_3.3, 0:1.20.11-24.el9, 0:22.1.9-5.el9, 0:1.11.0-22.el9_0.5, 0:1.12.0-14.el9_2.2
Timeline
Official Publish:
December 13th, 2023
Last Modified:
June 23rd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L