Stack-based buffer overflow in Pragma FortressSSH 4.0.7.20 allows remote attackers to execute arbitrary code via long SSH_MSG_KEXINIT messages, which may cause an overflow when being logged. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26498
http://www.vupen.com/english/advisories/2006/1820