=========================================================================
Ubuntu Security Notice USN-5606-2
September 14, 2022

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

USN-5606-1 caused a regression in poppler.

Software Description:
- poppler: PDF rendering library

Details:

USN-5606-1 fixed a vulnerability in poppler. Unfortunately it was missing a
commit to fix it properly.  This update provides
the corresponding fix for Ubuntu 18.04 LTS and Ubuntu 16.04 ESM.

We apologize for the inconvenience.

Original advisory details:

 It was discovered that poppler incorrectly handled certain
 PDF. An attacker could possibly use this issue to cause a
 denial of service or execute arbitrary code.

Update instructions:

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

Ubuntu 18.04 LTS:
  libpoppler-private-dev          0.62.0-2ubuntu2.14
  libpoppler73                    0.62.0-2ubuntu2.14
  poppler-utils                   0.62.0-2ubuntu2.14

Ubuntu 16.04 ESM:
  libpoppler-private-dev          0.41.0-0ubuntu1.16+esm2
  libpoppler58                    0.41.0-0ubuntu1.16+esm2
  poppler-utils                   0.41.0-0ubuntu1.16+esm2

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

References:
  https://ubuntu.com/security/notices/USN-5606-2
  https://ubuntu.com/security/notices/USN-5606-1
  https://launchpad.net/bugs/1989515

Package Information:
  https://launchpad.net/ubuntu/+source/poppler/0.62.0-2ubuntu2.14