Vulnerabilities fixed by upgrading from 5.6.28 to 5.6.30:
CVE-2015-3194 CVE-2016-0639 CVE-2016-0640 CVE-2016-0641 CVE-2016-0642 CVE-2016-0643 CVE-2016-0644 CVE-2016-0646 CVE-2016-0647 CVE-2016-0648 CVE-2016-0649 CVE-2016-0650 CVE-2016-0655 CVE-2016-0661 CVE-2016-0665 CVE-2016-0666 CVE-2016-0668 CVE-2016-0705 CVE-2016-2047
