[USN-3862-1] Irssi vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Thu Jan 17 18:49:49 UTC 2019

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


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

Software Description:
- irssi: terminal based IRC client


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.


Package Information:
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