OpenSSH 'ssh_gssapi_parse_ename()' Function Denial of Service Vulnerability

Summary
OpenSSH is prone to a remote denial-of-service vulnerability.
Impact
Exploiting this issue allows remote attackers to trigger denial-of-service conditions due to excessive memory consumption.
Solution
Updates are available. Please see the references for details.
Affected
OpenSSH 5.8 and prior are vulnerable.
Detection
Check the version.
References