[USN-4119-1] Irssi vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4119-1
September 03, 2019

irssi vulnerability
==========================================================================

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

- Ubuntu 19.04

Summary:

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

Software Description:
- irssi: terminal based IRC client

Details:

It was discovered that Irssi incorrectly handled certain CAP requests.
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 19.04:
  irssi                           1.2.0-2ubuntu1.2

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

References:
  https://usn.ubuntu.com/4119-1
  CVE-2019-15717

Package Information:
  https://launchpad.net/ubuntu/+source/irssi/1.2.0-2ubuntu1.2
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