Input validation error in Gnome GLib - CVE-2025-4056

Vulnerability identifier: #VU120192

CSH Severity: Low

CVSS v4: 4.8 [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]

CVE-ID: CVE-2025-4056

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

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. 

Gnome GLib
openEuler
Anolis OS
glib2
glib2-debuginfo
glib2-debugsource
glib2-devel
glib2-static
glib2-tests
glib2-help
glib2-doc

Install updates from vendor's website.

Gnome GLib - update to 2.84.1
glib2 - update to 2.72.2-21
glib2-debuginfo - update to 2.72.2-21
glib2-debugsource - update to 2.72.2-21
glib2-devel - update to 2.72.2-21
glib2-static - update to 2.72.2-21
glib2-tests - update to 2.72.2-21
glib2-help - update to 2.72.2-21
glib2 - update to 2.78.3-6
glib2-devel - update to 2.78.3-6
glib2-static - update to 2.78.3-6
glib2-tests - update to 2.78.3-6
glib2-doc - update to 2.78.3-6

• https://access.redhat.com/security/cve/CVE-2025-4056
• https://bugzilla.redhat.com/show_bug.cgi?id=2362826
• https://gitlab.gnome.org/GNOME/glib/-/issues/3668

• Local denial of service in GLib
• openEuler update for glib2
• Anolis OS update for glib2