Several security issues were fixed in SpamAssassin.
USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
15 January 2020
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in SpamAssassin.
USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.
Original advisory details:
It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially-crafted CF file, a remote attacker could possibly run arbitrary code. (CVE-2018-11805)
It was discovered that SpamAssassin incorrectly handled certain messages. A remote attacker could possibly use this issue to cause SpamAssassin to consume resources, resulting in a denial of service. (CVE-2019-12420)
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.