CVE-2025-14512
glib: Integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 11, 2025
Updated · October 15, 2026
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.
Statement
This vulnerability is rated Moderate for Red Hat products because an integer overflow in GLib's GIO escape_byte_string() function can lead to a heap buffer overflow and denial-of-service. This occurs when processing specially crafted file or remote filesystem attribute values, requiring an attacker to provide malicious input.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound