Information disclosure in X.org Server and Xwayland - CVE-2025-49177
Published: June 17, 2025
Vulnerability identifier: #VU111228
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-49177
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: X.org
Affected software:
X.org Server
Xwayland
X.org Server
Xwayland
Detailed vulnerability description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a data leak in XFIXES Extension 6 (XFixesSetClientDisconnectMode). A local user can gain access to sensitive information.
How to mitigate CVE-2025-49177
Install updates from vendor's website.