Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
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
FAQ
What is CVE-2025-62231?
CVE-2025-62231 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 spe...
How severe is CVE-2025-62231?
CVE-2025-62231 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-62231?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.