Juniper ScreenOS 6.3 and earlier allows remote attackers to cause a denial of service (crash and restart or failover) via a malformed SSL/TLS packet.
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10624
http://www.securitytracker.com/id/1030564
http://www.securityfocus.com/bid/66802