Another critical vulnerability in Adobe Flash player, required for example by JHU to take mandatory professional-learning materials. I use an isolated Windows virtual machine on OS X just for Adobe Flash player…and still I wish I did not have to use it, ever. See Steve Jobs’ thoughts on Flash.
Update: now it seems Flash won’t be compatible with Safari anymore…anyone still using it? Some stats here…
You thought Adobe Reader was safe? Here are some news about vulnerabilities
Update 1/4/2021: …and finally, Adobe recommends to all users to uninstall it, “to help protect their system”.