Comment # 4 on bug 1101357 from Swamp Workflow Management

openSUSE-OU-2018:2167-1: An update that has one optional fix can now be
installed.

Category: optional (low)
Bug References: 1101357
CVE References: 
Sources used:
SUSE Package Hub for SUSE Linux Enterprise 12 (src):    icingaweb2-2.5.3-2.1