The Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 6 Update 12, 11, and 10 does not properly parse crossdomain.xml files, which allows remote attackers to bypass intended access restrictions and connect to arbitrary sites via unknown vectors, aka CR 6798948.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01745133
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00001.html
http://marc.info/?l=bugtraq&m=124344236532162&w=2
http://secunia.com/advisories/34496
http://secunia.com/advisories/35156
http://secunia.com/advisories/35255
http://secunia.com/advisories/36185
http://secunia.com/advisories/37386
http://secunia.com/advisories/37460
http://security.gentoo.org/glsa/glsa-200911-02.xml
https://exchange.xforce.ibmcloud.com/vulnerabilities/49459
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6619
https://rhn.redhat.com/errata/RHSA-2009-1198.html
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125137-14-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-254611-1
http://support.avaya.com/elmodocs2/security/ASA-2009-108.htm
http://www.redhat.com/support/errata/RHSA-2009-0392.html
http://www.redhat.com/support/errata/RHSA-2009-1038.html
http://www.securitytracker.com/id?1021920
http://www.vmware.com/security/advisories/VMSA-2009-0016.html