==========================================================================
Ubuntu Security Notice USN-3569-1
February 13, 2018

libvorbis vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libvorbis.

Software Description:
- libvorbis: The Vorbis General Audio Compression Codec

Details:

It was discovered that libvorbis incorrectly handled certain sound
files. An attacker could possibly use this to execute arbitrary code.
(CVE-2017-14632)

It was discovered that libvorbis incorrectly handled certain sound
files. An attacker could use this to cause a denial of service.
(CVE-2017-14633)

Update instructions:

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

Ubuntu 17.10:
  libvorbis0a                     1.3.5-4ubuntu0.1

Ubuntu 16.04 LTS:
  libvorbis0a                     1.3.5-3ubuntu0.1

Ubuntu 14.04 LTS:
  libvorbis0a                     1.3.2-1.3ubuntu1.1

After a standard system upgrade you need to restart any applications
that
use libvorbis, such as Totem and gtkpod, to effect the necessary
changes.

References:
  https://www.ubuntu.com/usn/usn-3569-1
  CVE-2017-14632, CVE-2017-14633

Package Information:
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.5-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.5-3ubuntu0.1
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.2-1.3ubuntu1.1