#VU111230 Integer overflow in X.org Server and Xwayland - CVE-2025-49179

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Main Vulnerability Database Vulnerabilities #VU111230

#VU111230 Integer overflow in X.org Server and Xwayland - CVE-2025-49179

Published: June 17, 2025


Vulnerability identifier: #VU111230
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-2025-49179
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
X.org Server
Xwayland
Software vendor:
X.org

Description

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

The vulnerability exists due to integer overflow within the RecordSanityCheckRegisterClients() function in in X Record extension. A local user can trigger an integer overflow and execute arbitrary code with elevated privileges. 


Remediation

Install updates from vendor's website.

External links