Exim could be made to run commands if it received specially crafted network traffic.
It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands.
5 June 2019
A security issue affects these releases of Ubuntu and its derivatives:
Exim could be made to run commands if it received specially crafted network traffic.
It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon