CVE-2025-62230

high

Description

A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2402653

https://access.redhat.com/security/cve/CVE-2025-62230

Details

Source: Mitre, NVD

Published: 2025-10-30

Updated: 2025-10-30

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00015