USN-4049-3: GLib regression

5 August 2019

glib2.0 regression

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

  • Ubuntu 16.04 LTS

Summary

USN-4049-1 introduced a regression in GLib.

Software Description

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

Details

USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression in Ubuntu 16.04 LTS causing a possibly memory leak. 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 16.04 LTS
libglib2.0-0 - 2.48.2-0ubuntu4.4
libglib2.0-bin - 2.48.2-0ubuntu4.4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References