=========================================================================Ubuntu Security Notice USN-3865-1
January 22, 2019

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- 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 PDF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-20481, CVE-2018-20650)

Update instructions:

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

Ubuntu 18.10:
  libpoppler79                    0.68.0-0ubuntu1.4
  poppler-utils                   0.68.0-0ubuntu1.4

Ubuntu 18.04 LTS:
  libpoppler73                    0.62.0-2ubuntu2.6
  poppler-utils                   0.62.0-2ubuntu2.6

Ubuntu 16.04 LTS:
  libpoppler58                    0.41.0-0ubuntu1.11
  poppler-utils                   0.41.0-0ubuntu1.11

Ubuntu 14.04 LTS:
  libpoppler44                    0.24.5-2ubuntu4.15
  poppler-utils                   0.24.5-2ubuntu4.15

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

References:
  https://ubuntu.com/security/notices/USN-3865-1
  CVE-2018-20481, CVE-2018-20650

Package Information:
  https://launchpad.net/ubuntu/+source/poppler/0.68.0-0ubuntu1.4
  https://launchpad.net/ubuntu/+source/poppler/0.62.0-2ubuntu2.6
  https://launchpad.net/ubuntu/+source/poppler/0.41.0-0ubuntu1.11
  https://launchpad.net/ubuntu/+source/poppler/0.24.5-2ubuntu4.15