Ubuntu Security Notice 924-1 – Sol Jerome discovered that the Kerberos kadmind service did not correctly free memory. An unauthenticated remote attacker could send specially crafted traffic to crash the kadmind process, leading to a denial of service. It was discovered that Kerberos did not correctly free memory in the GSSAPI library. If a remote attacker were able to manipulate an application using GSSAPI carefully, the service could crash, leading to a denial of service. It was discovered that Kerberos did not correctly free memory in the GSSAPI and kdb libraries. If a remote attacker were able to manipulate an application using these libraries carefully, the service could crash, leading to a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/88174/USN-924-1.txt
Source: https://packetstormsecurity.com/files/88174/Ubuntu-Security-Notice-924-1.html