TrueVector in Check Point ZoneAlarm 8.0.020.000, with vsmon.exe running, allows remote HTTP proxies to cause a denial of service (crash) and disable the HIDS module via a crafted response.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45480
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-6984
http://www.securityfocus.com/bid/31431
http://www.securityfocus.com/archive/1/496764/100/0/threaded