Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/21055
http://www.kb.cert.org/vuls/id/623332
http://www.gentoo.org/security/en/glsa/glsa-200507-11.xml
http://www.debian.org/security/2005/dsa-757
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-003-recvauth.txt
http://marc.info/?l=bugtraq&m=112119974704542&w=2
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html