A security vulnerability which affects the sshd(1M) daemon when configured to use protocol version 1 may allow a remote user to cause the daemon to consume an excessive amount of CPU power. This will affect the performance and responsiveness of the system as a whole, resulting in a denial of service (DoS) to the system.

This issue is also referenced in the following document:

CVE-2006-4924 at http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4924