Stack-based buffer overflow in freeSSHd 1.2.1 allows remote authenticated users to cause a denial of service (service crash) and potentially execute arbitrary code via a long argument to the (1) rename and (2) realpath parameters.
https://www.exploit-db.com/exploits/6812
https://www.exploit-db.com/exploits/6800
https://exchange.xforce.ibmcloud.com/vulnerabilities/46046
http://www.vupen.com/english/advisories/2008/2897
http://www.securitytracker.com/id?1021096
http://www.securityfocus.com/bid/31872
http://www.securityfocus.com/archive/1/497746/100/0/threaded