[USN-4049-1] GLib vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Mon Jul 8 17:06:48 UTC 2019

Ubuntu Security Notice USN-4049-1
July 08, 2019

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


GLib did not properly restrict directory and file permissions.

Software Description:
- glib2.0: GLib Input, Output and Streaming Library (fam module)


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

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


Package Information:
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