CVE-2025-62231

Xorg: xmayland: value overflow in xkbsetcompatmap()

State: Published
Severity: 7.3 High
Published: Oct 30, 2025
Updated: Apr 20, 2026
Reserved: Oct 9, 2025

Description

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H	redhat

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
XwaylandX.Org	before 24.1.9Affected
Red Hat Enterprise Linux 10Red Hat	0:24.1.5-5.el10_0 and laterNot affected
Red Hat Enterprise Linux 10Red Hat	0:24.1.5-5.el10_1 and laterNot affected
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRed Hat	0:1.1.0-25.el6_10.15 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:1.20.4-33.el7_9 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:1.8.0-36.el7_9.3 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:21.1.3-19.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.20.11-27.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.15.0-8.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.9.0-15.el8_2.15 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.20.6-5.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.11.0-8.el8_4.14 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.20.10-3.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat	0:1.11.0-8.el8_4.14 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat	0:1.20.10-3.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:1.12.0-15.el8_8.16 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:1.20.11-17.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:21.1.3-12.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:1.12.0-15.el8_8.16 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:1.20.11-17.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:21.1.3-12.el8_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.20.11-32.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.14.1-9.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:23.2.7-5.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.15.0-6.el9_7 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:23.2.7-5.el9_7 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.20.11-32.el9_7 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:1.11.0-22.el9_0.16 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:1.20.11-12.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:21.1.3-4.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:1.12.0-14.el9_2.13 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:1.20.11-19.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:21.1.3-9.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:1.13.1-8.el9_4.8 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:1.20.11-27.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:22.1.9-7.el9_4 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

References

RHSA-2025:19432vendor-advisory
RHSA-2025:19433vendor-advisory
RHSA-2025:19434vendor-advisory
RHSA-2025:19435vendor-advisory
RHSA-2025:19489vendor-advisory
RHSA-2025:19623vendor-advisory
RHSA-2025:19909vendor-advisory
RHSA-2025:20958vendor-advisory
RHSA-2025:20960vendor-advisory
RHSA-2025:20961vendor-advisory
RHSA-2025:21035vendor-advisory
RHSA-2025:22040vendor-advisory
RHSA-2025:22041vendor-advisory
RHSA-2025:22051vendor-advisory
RHSA-2025:22055vendor-advisory
RHSA-2025:22056vendor-advisory
RHSA-2025:22077vendor-advisory
RHSA-2025:22096vendor-advisory
RHSA-2025:22164vendor-advisory
RHSA-2025:22167vendor-advisory
RHSA-2025:22364vendor-advisory
RHSA-2025:22365vendor-advisory
RHSA-2025:22426vendor-advisory
RHSA-2025:22427vendor-advisory
RHSA-2025:22667vendor-advisory
RHSA-2025:22729vendor-advisory
RHSA-2025:22742vendor-advisory
RHSA-2025:22753vendor-advisory
RHSA-2026:0031vendor-advisory
RHSA-2026:0033vendor-advisory
RHSA-2026:0034vendor-advisory
RHSA-2026:0035vendor-advisory
RHSA-2026:0036vendor-advisory
https://access.redhat.com/security/cve/CVE-2025-62231vdb-entry
RHBZ#2402660issue-tracking
https://lists.x.org/archives/xorg-announce/2025-October/003635.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html
http://www.openwall.com/lists/oss-security/2025/10/28/7

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.