CVE-2007-0244: Undefined Security Weakness

pptpgre.c in PoPToP Point to Point Tunneling Server pptpd before 1.3.4 allows remote attackers to cause a denial of service PPTP connection tear-down via 1 GRE packets with out-of-order sequence numbers or 2 certain GRE packets that are processed using a wrong pointer and improperly dequeued...