CVE-2023-6478

Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty

State: Published
Severity: 7.6 High
Published: Dec 13, 2023
Updated: Jun 23, 2026
Reserved: Dec 4, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	7.6 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L	redhat

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRed Hat	0:1.1.0-25.el6_10.13 and laterNot affected
Red Hat Enterprise Linux 7Red Hat	0:1.8.0-28.el7_9 and laterNot affected
Red Hat Enterprise Linux 7Red Hat	0:1.20.4-25.el7_9 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.13.1-2.el8_9.4 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.20.11-22.el8 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:21.1.3-15.el8 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.9.0-15.el8_2.6 and laterNot affected
Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat	0:1.9.0-15.el8_2.6 and laterNot affected
Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat	0:1.9.0-15.el8_2.6 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.11.0-8.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat	0:1.11.0-8.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat	0:1.11.0-8.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat	0:1.12.0-6.el8_6.6 and laterNot affected
Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat	0:1.12.0-15.el8_8.4 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.13.1-3.el9_3.3 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.20.11-24.el9 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:22.1.9-5.el9 and laterNot affected
Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat	0:1.11.0-22.el9_0.5 and laterNot affected
Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat	0:1.12.0-14.el9_2.2 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

References

RHSA-2023:7886vendor-advisory
RHSA-2024:0006vendor-advisory
RHSA-2024:0009vendor-advisory
RHSA-2024:0010vendor-advisory
RHSA-2024:0014vendor-advisory
RHSA-2024:0015vendor-advisory
RHSA-2024:0016vendor-advisory
RHSA-2024:0017vendor-advisory
RHSA-2024:0018vendor-advisory
RHSA-2024:0020vendor-advisory
RHSA-2024:2169vendor-advisory
RHSA-2024:2170vendor-advisory
RHSA-2024:2995vendor-advisory
RHSA-2024:2996vendor-advisory
RHSA-2025:12751vendor-advisory
https://access.redhat.com/security/cve/CVE-2023-6478vdb-entry
RHBZ#2253298issue-tracking
https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632
https://lists.x.org/archives/xorg-announce/2023-December/003435.html
http://www.openwall.com/lists/oss-security/2023/12/13/1
https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/
https://security.gentoo.org/glsa/202401-30
https://security.netapp.com/advisory/ntap-20240125-0003/
https://www.debian.org/security/2023/dsa-5576

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