Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5 (aka krb5) 1.3 through 1.6.3, and 1.7 before 1.7.1, allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by providing ciphertext with a length that is too short to be valid.
lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
lists.fedoraproject.org/pipermail/package-announce/2010-January/033915.html
lists.fedoraproject.org/pipermail/package-announce/2010-January/033919.html
marc.info/?l=bugtraq&m=130497213107107&w=2
secunia.com/advisories/38080
secunia.com/advisories/38108
secunia.com/advisories/38126
secunia.com/advisories/38140
secunia.com/advisories/38184
secunia.com/advisories/38203
secunia.com/advisories/38696
secunia.com/advisories/40220
sunsolve.sun.com/search/document.do?assetkey=1-66-275530-1
sunsolve.sun.com/search/document.do?assetkey=1-77-1021779.1-1
support.apple.com/kb/HT4188
support.avaya.com/css/P8/documents/100074869
ubuntu.com/usn/usn-881-1
web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt
www.debian.org/security/2010/dsa-1969
www.mandriva.com/security/advisories?name=MDVSA-2010:006
www.securityfocus.com/bid/37749
www.securitytracker.com/id?1023440
www.vupen.com/english/advisories/2010/0096
www.vupen.com/english/advisories/2010/0129
www.vupen.com/english/advisories/2010/1481
bugzilla.redhat.com/show_bug.cgi?id=545015
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11272
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7357
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8192
rhn.redhat.com/errata/RHSA-2010-0029.html
rhn.redhat.com/errata/RHSA-2010-0095.html