#VU117710 Use-after-free in Xwayland and X.org Server - CVE-2025-62229

 

#VU117710 Use-after-free in Xwayland and X.org Server - CVE-2025-62229

Published: October 28, 2025


Vulnerability identifier: #VU117710
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-62229
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Xwayland
X.org Server
Software vendor:
X.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error during XPresentNotify structures creation when processing and adding the notifications after presenting a pixmap. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges. 


Remediation

Install updates from vendor's website.

External links