Adobe just released patches that fix vulnerabilities in its Flash Player software for Windows, OSX and Linux. If you have Adobe Flash installed on any one of your devices, and chances are good that you do, then it's time for an update.
All four of the security holes are marked as priority one severity. Adobe's rating system for how severe a bug can be ranges from priority three to priority one. It's rare that all of the fixes are priority one, but that's why it's so important to download these updates.
Here's a complete list of bugs fixed in Adobe's updates and affected versions of Flash. If you aren't sure if you're affected, keep reading to find out how to update flash, or to see if your installed version of Flash could use an update.