CVE-2025-14512
Modified Modified - Updated After Analysis
BaseFortify

Publication date: 2025-12-11

Last updated on: 2026-06-10

Assigner: Red Hat, Inc.

Description
A flaw was found in glib. This vulnerability allows a heap buffer overflow and denial-of-service (DoS) via an integer overflow in GLib's GIO (GLib Input/Output) escape_byte_string() function when processing malicious file or remote filesystem attribute values.
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Meta Information
Published
2025-12-11
Last Modified
2026-06-10
Generated
2026-06-16
AI Q&A
2025-12-11
EPSS Evaluated
2026-06-15
NVD
CVE-2025-14512
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
gnome glib to 2.86.3 (inc)
redhat enterprise_linux 7.0
redhat openshift 4.0
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
redhat enterprise_linux 10.0
glib glib 3.1
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
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Executive Summary

This vulnerability is a flaw in the GLib library's GIO escape_byte_string() function. It involves an integer overflow that leads to a heap buffer overflow when processing malicious file or remote filesystem attribute values. This can cause the program to crash or behave unexpectedly.

Impact Analysis

The vulnerability can lead to a denial-of-service (DoS) condition by causing a heap buffer overflow, which may crash applications using the affected GLib function. This could disrupt services or applications relying on GLib for input/output operations.

Mitigation Strategies

To mitigate this vulnerability, you should update GLib to a version that includes the fix for CVE-2025-14512. Avoid processing untrusted or malicious file or remote filesystem attribute values that could trigger the integer overflow in the escape_byte_string() function. Monitoring for process crashes related to GLib's GIO component may also help identify exploitation attempts. [1]

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