High 7.5Published Jul 28, 2025

CVE-2025-4056Glib: glib crash after long command line

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects Red Hat Enterprise Linux 10 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Modified
Record last updated: Jun 30, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	10	CNA record
gnome glib gnome:glib	before 2.84.1	NVD

References

References

https://access.redhat.com/security/cve/CVE-2025-4056	vdb-entry, x-refsource-redhat, third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2362826	issue-tracking, x-refsource-redhat, third-party-advisory
https://gitlab.gnome.org/GNOME/glib/-/issues/3668	issue-tracking

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.