USN-3499-1: Exim vulnerability

29 November 2017

exim4 vulnerability


  • exim4 - Exim is a mail transport agent


It was discovered that Exim incorrectly handled certain BDAT data headers.
A remote attacker could possibly use this issue to cause Exim to crash,
resulting in a denial of service.

Update instructions

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

Ubuntu 17.10
Ubuntu 17.04

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