A few minutes ago Apple released two separate updates for Java on Mac OS X 10.5 Leopard and 10.6 Snow Leopard. The updates are available now on Apple’s website and Software Update desktop app, and they’re both aimed at improving “compatibility, security and reliability” alongside other Java SE 6-related updates.
Java for Mac OS X 10.6 Update 5
Java for Mac OS X 10.6 Update 5 delivers improved compatibility, security, and reliability by updating Java SE 6 to 1.6.0_26.
Please quit any web browsers and Java applications before installing this update.
Java for Mac OS X 10.5 Update 10
Java for Mac OS X 10.5 Update 10 delivers improved compatibility, security, and reliability by updating J2SE 5.0 to 1.5.0_30, and updating Java SE 6 to 1.6.0_26 for 64-bit capable Intel-based Macs.
J2SE 1.4.2 is no longer being updated to fix bugs or security issues and remains disabled by default in this update.
Please quit any web browsers and Java applications before installing this update.
More information about the updates are available in Apple’s support documents here and here.