Buffer overflow in Gnome GLib - CVE-2025-14087
Published: December 15, 2025
Vulnerability identifier: #VU119958
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-14087
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
Gnome GLib
Gnome GLib
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the bytestring_parse() and string_parse() functions of the GVariant parser when processing maliciously crafted input strings. A remote attacker can pass specially crafted input to the application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-14087
Install updates from vendor's website.