=========================================================================Ubuntu Security Notice USN-2862-1
January 07, 2016

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

- Ubuntu 15.10
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Pygments could be made to crash or run programs if it processed a specially
crafted font request.

Software Description:
- pygments: syntax highlighting package written in Python

Details:

It was discovered that Pygments incorrectly sanitized strings used to
search system fonts. An attacker could possibly use this issue to execute
arbitrary code.

Update instructions:

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

Ubuntu 15.10:
  python-pygments                 2.0.1+dfsg-1.1svn1.1
  python3-pygments                2.0.1+dfsg-1.1svn1.1

Ubuntu 15.04:
  python-pygments                 2.0.1+dfsg-1svn1.1
  python3-pygments                2.0.1+dfsg-1svn1.1

Ubuntu 14.04 LTS:
  python-pygments                 1.6+dfsg-1ubuntu1.1
  python3-pygments                1.6+dfsg-1ubuntu1.1

Ubuntu 12.04 LTS:
  python-pygments                 1.4+dfsg-2ubuntu0.1
  python3-pygments                1.4+dfsg-2ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-2862-1
  CVE-2015-8557

Package Information:
  https://launchpad.net/ubuntu/+source/pygments/2.0.1+dfsg-1.1svn1.1
  https://launchpad.net/ubuntu/+source/pygments/2.0.1+dfsg-1svn1.1
  https://launchpad.net/ubuntu/+source/pygments/1.6+dfsg-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/pygments/1.4+dfsg-2ubuntu0.1