Hi, Just in case you weren't aware, several security issues has been fixed in flash. Here is the last batch of fixes that I know of: https://blog.qualys.com/laws-of-vulnerabilities/2017/05/09/adobe-fixes-half-dozen-flash-vulnerabilities-and-more
These is, of course, not fixed in debian because of this bug. If I can help with testing or something, please let me know. Thanks, Rodrigo