Adobe has released an emergency fix for Flash Player for Windows, OS X and Linux to fix a zero-day vulnerability. The fix addresses CVE-2014-0497 a integer underflow vulnerability that can be used to achieve remote code execution. Flash Player is embedded into Google Chrome and Microsoft Internet Explorer 11 on Windows 8 and 8.1. Apple has released a plugin blocker update for OS X blocking the use of Flash Player releases prior to 12.0.44 and 11.7.700.261.”]
Source: https://nakedsecurity.sophos.com/2014/02/04/adobe-fixes-critical-flash-flaw/