Modernizing Authentication — What It Takes to Transform Secure Access
Apple's Zero day flaw is no more.
It also addresses 19 other issues in OS X, including improving security against worms which have just recently begun to slither through Apple's core.
Though the issue remained open for over a week, there was simple workaround provided early on that involved disabling automatic file opening on downloads in Safari, or simply using another browser.
Apple's security update also revealed a number of other significant flaws in Safari that are now fixed with the patch.