Buffer overflow in the SSLv2 support in Zeus Web Server before 4.3r5 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long string in an invalid Client Hello message.
http://www.vupen.com/english/advisories/2010/0147
http://www.securityfocus.com/bid/37829
http://support.zeus.com/zws/news/2010/01/13/zws_4_3r5_released
http://support.zeus.com/zws/media/docs/4.3/RELEASE_NOTES
http://securitytracker.com/id?1023465