High 7.3Published Oct 30, 2025

CVE-2025-62231Xorg: xmayland: value overflow in xkbsetcompatmap()

Updated under an hour ago (Oct 28, 2026, 4:10 AM ET)

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It affects X.Org Xwayland and 16 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for X.Org Xwayland

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Weakness (CWE): CWE-190
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Analyzed
Record last updated: Apr 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

X.Org Xwayland x.org:xwayland (from the name)	before 24.1.9	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:24.1.5-5.el10_0 not affected	CNA record
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION redhat:rhel_els	from 0:1.1.0-25.el6_10.15 not affected	CNA record
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support redhat:rhel_aus	from 0:1.9.0-15.el8_2.15 not affected	CNA record
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support redhat:rhel_eus_long_life	from 0:1.11.0-8.el8_4.14 not affected	CNA record
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support redhat:rhel_tus	from 0:1.12.0-6.el8_6.15 not affected	CNA record
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support redhat:rhel_e4s	from 0:1.12.0-6.el8_6.15 not affected	CNA record
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support redhat:rhel_eus	from 0:1.13.1-8.el9_4.8 not affected	CNA record
x.org x_server x.org:x_server	before 21.1.19	NVD
x.org xwayland x.org:xwayland	before 24.1.9	NVD
1–10 of 19

References

References

https://access.redhat.com/errata/RHSA-2025:19432	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19433	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19434	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19435	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19489	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19623	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:19909	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:20958	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:20960	vendor-advisory, x-refsource-redhat, third-party-advisory
https://access.redhat.com/errata/RHSA-2025:20961	vendor-advisory, x-refsource-redhat, third-party-advisory
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.