There is a vulnerability in ATS with the HPACK Bomb Attack that can lead to a DoS. Versions 6.0.0 to 6.2.0 are affected. Please upgrade to ATS 6.2.1 or 7.0.0. Downloads: https://trafficserver.apache.org/downloads Jira Ticket: ttps://issues.apache.org/jira/browse/TS-5019 CVE https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2016-5396 -Bryan