Integer overflow in Gnome GLib - CVE-2025-14512

 

Integer overflow in Gnome GLib - CVE-2025-14512

Published: December 15, 2025


Vulnerability identifier: #VU119957
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-14512
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
Gnome GLib

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to integer overflow within the GLib's GIO escape_byte_string() function when processing a malicious file or remote filesystem attribute values. A remote attacker can trick the victim into opening a specially crafted file, trigger an integer overflow and perform a denial of service attack. 


How to mitigate CVE-2025-14512

Install updates from vendor's website.

Sources