==========================================================================
Ubuntu Security Notice USN-3517-1
January 08, 2018

poppler vulnerabilities
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in poppler.

Software Description:
- poppler: PDF rendering library

Details:

It was discovered that poppler incorrectly handled certain files.
If a user or automated system were tricked into opening a crafted PDF
file, an attacker could execute arbitrary. (CVE-2017-1000456)

It was discovered that poppler incorrectly handled certain files.
If a user or automated system were tricked into opening a crafted PDF
file, an attacker could cause a denial of service. This issue only
affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. 
(CVE-2017-14976)

Update instructions:

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

Ubuntu 17.10:
  libpoppler68                    0.57.0-2ubuntu4.2
  poppler-utils                   0.57.0-2ubuntu4.2

Ubuntu 17.04:
  libpoppler64                    0.48.0-2ubuntu2.5
  poppler-utils                   0.48.0-2ubuntu2.5

Ubuntu 16.04 LTS:
  libpoppler58                    0.41.0-0ubuntu1.6
  poppler-utils                   0.41.0-0ubuntu1.6

Ubuntu 14.04 LTS:
  libpoppler44                    0.24.5-2ubuntu4.9
  poppler-utils                   0.24.5-2ubuntu4.9

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

References:
  https://www.ubuntu.com/usn/usn-3517-1
  CVE-2017-1000456, CVE-2017-14976

Package Information:
  https://launchpad.net/ubuntu/+source/poppler/0.57.0-2ubuntu4.2
  https://launchpad.net/ubuntu/+source/poppler/0.48.0-2ubuntu2.5
  https://launchpad.net/ubuntu/+source/poppler/0.41.0-0ubuntu1.6
  https://launchpad.net/ubuntu/+source/poppler/0.24.5-2ubuntu4.9