Juniper Junos 10.0 before 10.0S28, 10.4 before 10.4R7, 11.1 before 11.1R5, 11.2 before 11.2R2, and 11.4 before 11.4R1, when in a Next-Generation Multicast VPN (NGEN MVPN) environment, allows remote attackers to cause a denial of service (RPD routing daemon crash) via a large number of crafted PIM (S,G) join requests.
http://www.securitytracker.com/id/1029176
http://www.securityfocus.com/bid/62973
http://secunia.com/advisories/55216
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10548