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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Els
  • Rhel Eus
  • Rhel Tus

No data.

No data.

No data.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4353-1 xorg-server security update
Debian DSA Debian DSA DSA-6044-1 xorg-server security update
Fixes

Solution

No solution given by the vendor.

Workaround

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

References
Link Providers
http://www.openwall.com/lists/oss-security/2025/10/28/7 cve-icon
https://access.redhat.com/errata/RHSA-2025:19432 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19433 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19434 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19435 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19489 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19623 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:19909 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:20958 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:20960 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:20961 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:21035 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22040 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22041 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22051 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22055 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22056 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22077 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22096 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2025:22164 cve-icon
https://access.redhat.com/security/cve/CVE-2025-62231 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2402660 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-62231 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-62231 cve-icon
History

Wed, 26 Nov 2025 05:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_e4s:8.8::appstream
cpe:/a:redhat:rhel_tus:8.8::appstream
References

Tue, 25 Nov 2025 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:7
References

Tue, 25 Nov 2025 13:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_aus:8.2::appstream
References

Tue, 25 Nov 2025 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
References

Tue, 25 Nov 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_eus:9.4::appstream
Vendors & Products Redhat rhel Eus
References

Tue, 25 Nov 2025 08:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_e4s:9.2::appstream
References

Tue, 25 Nov 2025 08:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:rhel_e4s:9.0::appstream
References

Tue, 25 Nov 2025 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus
CPEs cpe:/a:redhat:rhel_aus:8.6::appstream
cpe:/a:redhat:rhel_e4s:8.6::appstream
cpe:/a:redhat:rhel_tus:8.6::appstream
Vendors & Products Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus
References

Tue, 11 Nov 2025 20:45:00 +0000

Type Values Removed Values Added
References

Tue, 11 Nov 2025 20:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10.1
References

Tue, 11 Nov 2025 16:45:00 +0000

Type Values Removed Values Added
References

Thu, 06 Nov 2025 13:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8
References

Tue, 04 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Tue, 04 Nov 2025 10:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9
References

Mon, 03 Nov 2025 18:30:00 +0000

Type Values Removed Values Added
References

Mon, 03 Nov 2025 16:15:00 +0000

Type Values Removed Values Added
References

Mon, 03 Nov 2025 10:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:10 cpe:/a:redhat:enterprise_linux:9::appstream
cpe:/a:redhat:enterprise_linux:9::crb
cpe:/o:redhat:enterprise_linux:10.0
References

Mon, 03 Nov 2025 09:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:8::appstream
cpe:/a:redhat:enterprise_linux:8::crb
References

Thu, 30 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 30 Oct 2025 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Moderate

Thu, 30 Oct 2025 06:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H'}

Thu, 30 Oct 2025 05:15:00 +0000

Type Values Removed Values Added
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.
Title Xorg: xmayland: value overflow in xkbsetcompatmap()
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-190
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-26T05:29:31.446Z

Reserved: 2025-10-09T04:46:44.074Z

Link: CVE-2025-62231

cve-icon Vulnrichment

Updated: 2025-11-04T21:14:19.743Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-30T05:15:39.120

Modified: 2025-11-25T18:15:53.557

Link: CVE-2025-62231

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-10-29T00:00:00Z

Links: CVE-2025-62231 - Bugzilla

cve-icon OpenCVE Enrichment

No data.