=========================================================================Ubuntu Security Notice USN-3862-1
January 17, 2019

irssi vulnerability
=========================================================================
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:

Irssi could be made to crash or execute arbitrary code if it
received a specially crafted input.

Software Description:
- irssi: terminal based IRC client

Details:

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

Update instructions:

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

Ubuntu 18.10:
  irssi                           1.1.1-1ubuntu1.1

Ubuntu 18.04 LTS:
  irssi                           1.0.5-1ubuntu4.1

Ubuntu 16.04 LTS:
  irssi                           0.8.19-1ubuntu1.8

Ubuntu 14.04 LTS:
  irssi                           0.8.15-5ubuntu3.6

After a standard system update you need to restart Irssi to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-3862-1
  CVE-2019-5882

Package Information:
  https://launchpad.net/ubuntu/+source/irssi/1.1.1-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/irssi/1.0.5-1ubuntu4.1
  https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.8
  https://launchpad.net/ubuntu/+source/irssi/0.8.15-5ubuntu3.6