The Linux installation packages for Opensuse releases and Debian 9 are created today.
The distributions package managers will update the software automatically, if auto-upgrade is configured.
For manual upgrade follow the instructions of your Linux distribution.
or see here
The updated installation packages for other Linux distribution will be available next week.
For those users not willing to compile the source code the pre-compiled binaries are available at github
Please update as soon as possible.
For details about the bug fix visit https://forum.feathercoin.com/topic/9894/zeromq-security-bug-fix