[USN-3604-1] libvorbis vulnerability

[Marc Deslauriers]

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Ubuntu Security Notice USN-3604-1
March 22, 2018

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

libvorbis could be made to crash or run programs as your login if it
opened a specially crafted file.

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

Details:

Richard Zhu discovered that libvorbis incorrectly handled certain sound
files. An attacker could use this to cause libvorbis to crash, resulting in
a denial or service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 17.10:
  libvorbis0a                     1.3.5-4ubuntu0.2

Ubuntu 16.04 LTS:
  libvorbis0a                     1.3.5-3ubuntu0.2

Ubuntu 14.04 LTS:
  libvorbis0a                     1.3.2-1.3ubuntu1.2

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://usn.ubuntu.com/usn/usn-3604-1
  CVE-2018-5146

Package Information:
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.5-4ubuntu0.2
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.5-3ubuntu0.2
  https://launchpad.net/ubuntu/+source/libvorbis/1.3.2-1.3ubuntu1.2

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