Apple's incoming OS X 10.10.2 update does indeed include fixes for the remaining two vulnerabilities exposed by Project Zero

Based on the latest build of OS X 10.10.2, seeded [Wednesday] to developers, Apple has already fixed all of the vulnerabilities listed above. That means the fixes will be available to everyone running Yosemite as soon as 10.10.2 goes into general availability.Google's Project Zero has been disclosing significant security vulnerabilities for a number of months now, previously discovering a few significant Windows issues and sharing them online.

  Apple's OS X 10.10.2 to Fix Security Vulnerabilities Exposed by Google's Project Zero