GLib Windows Command Line DoS (CVE-2025-4056)
CVE-2025-4056 Published on July 28, 2025
Glib: glib crash after long command line
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.
Vulnerability Analysis
CVE-2025-4056 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2025-4056. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Timeline
Reported to Red Hat.
Made public.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2025-4056 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2025-4056
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.