Oracle Fixes 40 Vulnerabilities in Java.
On Tuesday, June 18, Oracle issued a Critical Patch Update for Java 7 for Mac and for Windows. There are 40 security issues fixed as well as enabling online certificate revocation checking by default. On the same day, Apple issued an updated version of Java 6 for OS X Snow Leopard, Lion, and Mountain Lion. Snow Leopard users cannot upgrade to Java 7.

http://krebsonsecurity.com/2013/06/critical-update-plugs-40-security-holes-in-java/
http://www.scmagazine.com//oracle-releases-java-update-to-close-37-high-risk-vulnerabilities/article/299264/
http://www.computerworld.com/s/article/9240173/Java_7_Update_fixes_40_security_issues_turns_on_certificate_revocation_check?taxonomyId=17
http://www.computerworld.com/s/article/9240171/Apple_pours_OS_X_Snow_Leopard_another_Java_fix?taxonomyId=17