USN-3565-1: Exim vulnerability
12 February 2018
Exim could be made to crash or run programs if it received specially crafted network traffic.
Releases
Packages
- exim4 - Exim is a mail transport agent
Details
Meh Chang discovered that Exim incorrectly handled memory in certain
decoding operations. A remote attacker could use this issue to cause Exim
to crash, resulting in a denial of service, or possibly execute arbitrary
code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04
In general, a standard system update will make all the necessary changes.