[USN-3767-1] GLib vulnerabilities

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Ubuntu Security Notice USN-3767-1
September 19, 2018

glib2.0 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in GLib.

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

Details:

It was discovered that GLib incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. (CVE-2018-16428)

It was discovered that GLib incorrectly handled certain files.
An attacker could possibly use this issue to access sensitive
information. (CVE-2018-16429)

Update instructions:

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

Ubuntu 18.04 LTS:
  libglib2.0-0                    2.56.2-0ubuntu0.18.04.2
  libglib2.0-bin                  2.56.2-0ubuntu0.18.04.2
  libglib2.0-dev                  2.56.2-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
  libglib2.0-0                    2.48.2-0ubuntu4.1
  libglib2.0-bin                  2.48.2-0ubuntu4.1
  libglib2.0-dev                  2.48.2-0ubuntu4.1

Ubuntu 14.04 LTS:
  libglib2.0-0                    2.40.2-0ubuntu1.1
  libglib2.0-bin                  2.40.2-0ubuntu1.1
  libglib2.0-dev                  2.40.2-0ubuntu1.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3767-1
  CVE-2018-16428, CVE-2018-16429

Package Information:
  https://launchpad.net/ubuntu/+source/glib2.0/2.56.2-0ubuntu0.18.04.2
  https://launchpad.net/ubuntu/+source/glib2.0/2.48.2-0ubuntu4.1
  https://launchpad.net/ubuntu/+source/glib2.0/2.40.2-0ubuntu1.1