USN-4049-2: GLib vulnerability

8 July 2019

glib2.0 vulnerability

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

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM


GLib did not properly restrict directory and file permissions.

Software Description

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


USN-4049-1 fixed a vulnerability in GLib. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

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+esm2
libglib2.0-bin - 2.40.2-0ubuntu1.1+esm2
Ubuntu 12.04 ESM
libglib2.0-0 - 2.32.4-0ubuntu1.3
libglib2.0-bin - 2.32.4-0ubuntu1.3

To update your system, please follow these instructions:

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