The Perforce service (p4s.exe) in Perforce Server 2007.3/143793 and earlier allows remote attackers to cause a denial of service (daemon crash) via a server-DiffFile command with an integer value within a certain range, which causes a loop until all memory is exhausted.
aluigi.altervista.org/adv/perforces-adv.txt
aluigi.org/poc/perforces.zip
secunia.com/advisories/29231
securityreason.com/securityalert/3735
www.securityfocus.com/archive/1/489179/100/0/threaded
www.securityfocus.com/bid/28108
exchange.xforce.ibmcloud.com/vulnerabilities/41017
exchange.xforce.ibmcloud.com/vulnerabilities/41361