Running Flash on a modern web-connected PC is dangerous.
Adobe no longer provides security patches or support. The Legacy of Flash on Linux Running Flash on a modern web-connected PC is dangerous
sudo chmod 644 /usr/lib/mozilla/plugins/libflashplayer.so Modern Alternatives Running Flash on a modern web-connected PC is dangerous
If you are trying to play old Flash games or use legacy web apps, do not use the original Adobe plugin. Use these modern, safer alternatives: 1. Ruffle (Recommended) Flash Player emulator. Running Flash on a modern web-connected PC is dangerous
A launcher containing nearly every Flash game ever made, configured to run safely in a sandbox. How to Proceed
Flash has critical unpatched security flaws.