Adobe has issued an emergency patch of its Flash Player technology to correct a security flaw that could allow hackers false access to thousands of popular websites — notably Twitter, Instagram, Tumblr and eBay among many others. The patch, which will update Flash to version 14.0.0.145, is considered “critical” for users of OS X, Windows and Linux operating systems. Even if users have Flash Player disabled in their browser, they may still need to update if they are using any products that require Adobe AIR….