CVE-2025-4056: gnome glib Code Injection
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2025-4056
Published 28-07-2025Last modified 30-06-2026
Vulnerability summary
CVE-2025-4056 is a high (CVSS 7.5) Code Injection vulnerability in gnome glib. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.1% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.48%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-07-2025PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
+0.04 pp
From 0.44% on 19-09-2026
19-09-202619-10-2026
EPSS score0.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Gnome1 product
- glib< 2.84.1
Ubuntu1 product
- glib2.0< 2.84.1-1
2 vendors · 2 products
References
5 links- gitlab.gnome.org/GNOME/glib/-/issues/3668Issue Tracking