MIT krb5 Security Advisory 2005-003 – The krb5_recvauth() function can free previously freed memory under some error conditions. This vulnerability may allow an unauthenticated remote attacker to execute arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38628/MITKRB5-SA-2005-003.txt
Source: https://packetstormsecurity.com/files/38628/MITKRB5-SA-2005-003.txt.html