CVE-2025-13601 HIGH

CVE-2025-13601: Glib: integer overflow in in g_escape_uri_string()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-190
Published November 26, 2025
Last update June 29, 2026

CVSS base score

7.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

What the vulnerability does

01Description

A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the g_escape_uri_string() function. If the string to escape contains a very large number of unacceptable characters (which would need escaping), the calculation of the length of the escaped string could overflow, leading to a potential write off the end of the newly allocated string.

Key dates

02Disclosure timeline

November 26, 2025 CVE published
June 29, 2026 Record updated