Hi all and sorry for cross post, after several months since I contacted Oracle informing them about ten issues on Java applet security, they finally released an Java 6 update 22 which fixes several security issues In particular the issues are the following, sorted by impact: * Information Disclosure: - 17364779 NETWORKINTERFACE HASHCODE PROBLEM - 17322679 JAVA APPLET DNS IP DISCLOSURE * User Assisted Arbitrary Execution: - 17322757 ZERO TERMINATOR ALLOWS JNLP SHORTCUTS - 17322755 NEW LINES IN JNLP TITLE ARE COPIED INTO LNK FILES * Network and WEB Attacks: - 17322683 HTTP REQUEST SPLITTING WITH JAVA ADDREQUESTPROPERTY - 17764405 DNS REBINDING ISSUE - 17322681 JAVA APPLET SAME IP HOST ACCESS You can read all details here: http://blog.mindedsecurity.com/2010/10/java-6u21-seven-issues-summary.html Disclosure Timeline: 20th Apr - 6 May 2010: Advisories sent to Oracle 25th June 2010: Oracle Confirms all issues 12 Oct 2010: Java update 22 released which fixes 7 out of 10 issues. 11-20 Oct 2010: Minded Security Advisories pubicly disclosed. Cheers, Stefano Di Paola -- Stefano Di Paola Chief Technology Officer, Lead Auditor ISO 27001 Minded Security - Application Security Consulting