USN-4049-1: GLib vulnerability glib2.0 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary GLib did not properly restrict directory and file permissions. Software Description glib2.0 – GLib Input, Output and Streaming Library (fam module) 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 18.10 libglib2.0-0 – 2.58.1-2ubuntu0.2 libglib2.0-bin – 2.58.1-2ubuntu0.2 Ubuntu 18.04 LTS libglib2.0-0 – 2.56.4-0ubuntu0.18.04.4 libglib2.0-bin – 2.56.4-0ubuntu0.18.04.4 Ubuntu 16.04 LTS libglib2.0-0 – 2.48.2-0ubuntu4.3 libglib2.0-bin – 2.48.2-0ubuntu4.3 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 CVE-2019-13012 Source: USN-4049-1: GLib vulnerability