Input validation error in Gnome GLib - CVE-2025-4056
Published: December 18, 2025
Vulnerability identifier: #VU120192
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4056
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
Gnome GLib
Gnome GLib
Detailed vulnerability description
The vulnerability allows a local application to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A local application that attempts to spawn a program using long command lines can perform a denial of service attack.
The vulnerability affects Windows installations only.
How to mitigate CVE-2025-4056
Install updates from vendor's website.