A Perl DBI module security update has been released for Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, Ubuntu 14.04 ESM, and Ubuntu 12.04 ESM.

USN-4534-1: Perl DBI module vulnerability

=========================================================================
Ubuntu Security Notice USN-4534-1
September 23, 2020

libdbi-perl vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Perl DBI module could be made to crash or expose sensitive information if it
received a specially crafted input.

Software Description:
- libdbi-perl: Perl Database Interface (DBI)

Details:

It was discovered that Perl DBI module incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information.

Update instructions:

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

Ubuntu 18.04 LTS:
libdbi-perl 1.640-1ubuntu0.2

Ubuntu 16.04 LTS:
libdbi-perl 1.634-1ubuntu0.2

Ubuntu 14.04 ESM:
libdbi-perl 1.630-1ubuntu0.1~esm5

Ubuntu 12.04 ESM:
libdbi-perl 1.616-1ubuntu0.2

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

References:
  https://usn.ubuntu.com/4534-1
CVE-2019-20919

Package Information:
  https://launchpad.net/ubuntu/+source/libdbi-perl/1.640-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/libdbi-perl/1.634-1ubuntu0.2