Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Ubuntu: USN-7532-1 (CVE-2025-4373): GLib vulnerability

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:P)
Published
May 6, 2025
Added
May 27, 2025
Modified
Mar 27, 2026

Description

A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.

Solutions

ubuntu-upgrade-libglib2-0-0ubuntu-upgrade-libglib2-0-0t64ubuntu-upgrade-libglib2-0-bin
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.