Several security issues were fixed in SpamAssassin.
USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM.
5 December 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in SpamAssassin.
USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780)
It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781)
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.
This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.