The ApiThread function in the firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, allows remote attackers to cause a denial of service (service crash) via a packet with a large value in an unspecified size field.
secunia.com/advisories/31160
secunia.com/advisories/33609
secunia.com/secunia_research/2008-42/
securityreason.com/securityalert/4937
www.securityfocus.com/archive/1/500195/100/0/threaded
www.securityfocus.com/bid/33358
www.securitytracker.com/id?1021614
www.securitytracker.com/id?1021615
www.trendmicro.com/ftp/documentation/readme/OSCE8.0_SP1_Patch1_CriticalPatch_3191_Readme.txt
www.vupen.com/english/advisories/2009/0191
exchange.xforce.ibmcloud.com/vulnerabilities/48106