USN-4141-1: Exim vulnerability
28 September 2019
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
Exim could be made to crash or run programs if it received specially crafted network traffic.
- exim4 - Exim is a mail transport agent
It was discovered that Exim incorrectly handled certain string operations. A remote attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code.
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.