A remote overflow exists in freeSSHd. The application fails to properly verify key exchange strings send by a SSH client resulting in a stack-based overflow. With a specially crafted key exchange string request, an attacker can cause code execution resulting in a loss of integrity.
Upgrade to freeSSHd version 1.0.10 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.