CVE-2025-26600 HIGH

CVE-2025-26600: Xorg: xwayland: use-after-free in playreleasedevents()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-416
Published February 25, 2025
Last update April 6, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.

Key dates

02Disclosure timeline

February 25, 2025 CVE published
April 6, 2026 Record updated