Memory leak in Juniper JUNOS 6.4 through 8.0, built before May 10, 2006, allows remote attackers to cause a denial of service (kernel packet memory consumption and crash) via crafted IPv6 packets whose buffers are not released after they are processed.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27654
http://www.vupen.com/english/advisories/2006/2742
http://www.securityfocus.com/bid/18930
http://www.kb.cert.org/vuls/id/294036
http://www.juniper.net/support/security/alerts/IPv6_bug.txt
http://www.juniper.net/support/security/alerts/EXT-PSN-2006-06-017.txt