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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
X.Org Xwayland
Default version status: unaffected
0 to < 24.1.9affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:24.1.5-5.el10_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:24.1.5-5.el10_1 to < *unaffected
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
Default version status: affected
0:1.1.0-25.el6_10.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
Default version status: affected
0:1.20.4-33.el7_9 to < *unaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
Default version status: affected
0:1.8.0-36.el7_9.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:21.1.3-19.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:1.20.11-27.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:1.15.0-8.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Default version status: affected
0:1.9.0-15.el8_2.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Default version status: affected
0:1.20.6-5.el8_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:1.11.0-8.el8_4.14 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:1.20.10-3.el8_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:1.11.0-8.el8_4.14 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:1.20.10-3.el8_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:1.12.0-15.el8_8.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:1.20.11-17.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:21.1.3-12.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-15.el8_8.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-17.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-12.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.20.11-32.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.14.1-9.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:23.2.7-5.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.15.0-6.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:23.2.7-5.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.20.11-32.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:1.11.0-22.el9_0.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-12.el9_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-4.el9_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-14.el9_2.13 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-19.el9_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-9.el9_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:1.13.1-8.el9_4.8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:1.20.11-27.el9_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:22.1.9-7.el9_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: unknown
References
- https://access.redhat.com/errata/RHSA-2025:19432 ↗
- https://access.redhat.com/errata/RHSA-2025:19433 ↗
- https://access.redhat.com/errata/RHSA-2025:19434 ↗
- https://access.redhat.com/errata/RHSA-2025:19435 ↗
- https://access.redhat.com/errata/RHSA-2025:19489 ↗
- https://access.redhat.com/errata/RHSA-2025:19623 ↗
- https://access.redhat.com/errata/RHSA-2025:19909 ↗
- https://access.redhat.com/errata/RHSA-2025:20958 ↗
- https://access.redhat.com/errata/RHSA-2025:20960 ↗
- https://access.redhat.com/errata/RHSA-2025:20961 ↗
- https://access.redhat.com/errata/RHSA-2025:21035 ↗
- https://access.redhat.com/errata/RHSA-2025:22040 ↗
- https://access.redhat.com/errata/RHSA-2025:22041 ↗
- https://access.redhat.com/errata/RHSA-2025:22051 ↗
- https://access.redhat.com/errata/RHSA-2025:22055 ↗
- https://access.redhat.com/errata/RHSA-2025:22056 ↗
- https://access.redhat.com/errata/RHSA-2025:22077 ↗
- https://access.redhat.com/errata/RHSA-2025:22096 ↗
- https://access.redhat.com/errata/RHSA-2025:22164 ↗
- https://access.redhat.com/errata/RHSA-2025:22167 ↗
- https://access.redhat.com/errata/RHSA-2025:22364 ↗
- https://access.redhat.com/errata/RHSA-2025:22365 ↗
- https://access.redhat.com/errata/RHSA-2025:22426 ↗
- https://access.redhat.com/errata/RHSA-2025:22427 ↗
- https://access.redhat.com/errata/RHSA-2025:22667 ↗
- https://access.redhat.com/errata/RHSA-2025:22729 ↗
- https://access.redhat.com/errata/RHSA-2025:22742 ↗
- https://access.redhat.com/errata/RHSA-2025:22753 ↗
- https://access.redhat.com/errata/RHSA-2026:0031 ↗
- https://access.redhat.com/errata/RHSA-2026:0033 ↗
- https://access.redhat.com/errata/RHSA-2026:0034 ↗
- https://access.redhat.com/errata/RHSA-2026:0035 ↗
- https://access.redhat.com/errata/RHSA-2026:0036 ↗
- https://access.redhat.com/security/cve/CVE-2025-62231 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2402660 ↗
- 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 ↗