Secunia Security Advisory - Fedora has issued an update for krb5. This fixes some vulnerabilities, which can be exploited by malicious people to disclose potentially sensitive information, cause a DoS (Denial of Service), or potentially compromise a vulnerable system.
0c6441504c8b2e3c27b43f1d95e35ed9d7c85bfbf844d31b5471fab23faaa1cf