=========================================================================Ubuntu Security Notice USN-3647-1
May 15, 2018

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

poppler could be made to crash if it opened a specially crafted PDF.

Software Description:
- poppler: PDF rendering library

Details:

It was discovered that poppler incorrectly handled certain PDF files.
An attacker could possibly use this to cause a denial of service.
(CVE-2017-18267)

It was discovered that poppler incorrectly handled certain PDF files.
An attacker could possibly use this to cause a denial of service. This
issue only affected Ubuntu 14.04 LTS. (CVE-2018-10768)

Update instructions:

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

Ubuntu 18.04 LTS:
  libpoppler73                    0.62.0-2ubuntu2.1
  poppler-utils                   0.62.0-2ubuntu2.1

Ubuntu 17.10:
  libpoppler68                    0.57.0-2ubuntu4.3
  poppler-utils                   0.57.0-2ubuntu4.3

Ubuntu 16.04 LTS:
  libpoppler58                    0.41.0-0ubuntu1.7
  poppler-utils                   0.41.0-0ubuntu1.7

Ubuntu 14.04 LTS:
  libpoppler44                    0.24.5-2ubuntu4.11
  poppler-utils                   0.24.5-2ubuntu4.11

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

References:
  
  CVE-2017-18267, CVE-2018-10768

Package Information:
  https://launchpad.net/ubuntu/+source/poppler/0.62.0-2ubuntu2.1
  
  https://launchpad.net/ubuntu/+source/poppler/0.41.0-0ubuntu1.7
  https://launchpad.net/ubuntu/+source/poppler/0.24.5-2ubuntu4.11