USN-3862-1: Irssi vulnerability

17 January 2019

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

from Ubuntu Security Notices http://bit.ly/2RzJQBf