VULNERABILITY INTELLIGENCE

CVE-2025-62231

CVSS score7.3 HIGH
EPSS probability0.30%
CISA KEVNot currently listed
Published2025-10-30
Last modified2026-07-01
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-190

Primary references