CVE-2025-62231

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.

Score
CVSS 3.1 7.3 High
Status
Analyzed - secalert@redhat.com
Published
2025-10-30
Last modified
2026-04-20
Weaknesses
CWE-190

Affected products

References