CVE-2025-4056

Name: CVE-2025-4056
Creator: NVD / NIST
Published: 2025-07-28T13:15:30.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.42%

Last modified Jun 25, 2026

CVE-2025-4056 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Gnome	Glib	< 2.84.1

References

https://access.redhat.com/security/cve/CVE-2025-4056Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2362826Issue Tracking, Third Party Advisory
https://gitlab.gnome.org/GNOME/glib/-/issues/3668Issue Tracking

Timeline

Published: Jul 28, 2025
Last Modified: Jun 25, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-4056?

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.

How severe is CVE-2025-4056?

CVE-2025-4056 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4056?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4056?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST