Tomcat could be made to redirect to arbitrary locations.
It was discovered that Tomcat incorrectly handled returning redirects to a directory. A remote attacker could possibly use this issue with a specially crafted URL to redirect to arbitrary URIs.
10 October 2018
A security issue affects these releases of Ubuntu and its derivatives:
Tomcat could be made to redirect to arbitrary locations.
It was discovered that Tomcat incorrectly handled returning redirects to a directory. A remote attacker could possibly use this issue with a specially crafted URL to redirect to arbitrary URIs.
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.