High severity · published Jul 28, 2025
CVE-2025-4056
A flaw was found in GLib
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
A flaw was found in GLib. A denial of service on Windows platforms may occur if an application attempts to spawn a program using long command lines.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
Glib · Gnome
before 2.84.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4056
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4056
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-4056
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2362826
Issue Tracking
https://gitlab.gnome.org/GNOME/glib/-/issues/3668
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