USN-4049-4: GLib regression

6 August 2019

glib2.0 regression

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM


USN-4049-1 introduced a regression in GLib.

Software Description

  • glib2.0 - GLib Input, Output and Streaming Library (fam module)


USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 ESM
libglib2.0-0 - 2.40.2-0ubuntu1.1+esm3
libglib2.0-bin - 2.40.2-0ubuntu1.1+esm3
Ubuntu 12.04 ESM
libglib2.0-0 - 2.32.4-0ubuntu1.4
libglib2.0-bin - 2.32.4-0ubuntu1.4

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.