The KAME racoon daemon in ipsec-tools before 0.5 allows remote attackers to cause a denial of service (crash) via malformed ISAKMP packets.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10028
https://exchange.xforce.ibmcloud.com/vulnerabilities/19707
https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=109966&action=view
http://www.vupen.com/english/advisories/2005/0264
http://www.securityfocus.com/bid/12804
http://www.redhat.com/support/errata/RHSA-2005-232.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:062
http://sourceforge.net/mailarchive/forum.php?thread_id=6787713&forum_id=32000
http://securitytracker.com/id?1013433