Apple his shipped a software update that fixes at least a dozen security vulnerabilities in Mac OS X Leopard and Snow Leopard systems. The update applies to OS X 10.5 and 10.6 desktop and server machines, is available through Software Update or from Apple Downloads. More than half of the fixes are to update the Mac version of Adobe’s Flash Player plugin. Check out this link for more nitty gritty on the individual flaws fixed in this update.