https://builds.apache.org/view/S-Z/view/ZooKeeper/job/ZooKeeper-trunk-owasp/204/artifact/build/test/owasp/dependency-check-vulnerability.html
https://nvd.nist.gov/vuln/detail/CVE-2018-8088 We don't use EventData but should consider upgrading. https://issues.apache.org/jira/browse/ZOOKEEPER-3217 Patrick
