MIT krb5 Security Advisory 2010-002 – In MIT krb5 releases krb5-1.7 and later, the SPNEGO GSS-API mechanism can experience an assertion failure when receiving certain invalid messages. This can cause a GSS-API application to crash.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87578/MITKRB5-SA-2010-002.txt
Source: https://packetstormsecurity.com/files/87578/SPNEGO-Denial-Of-Service.html