Flash is insecure and unsupported. Security vulnerabilities will never be patched. Only use the Debug Player in an isolated environment or strictly for opening local .swf files that you trust.
Suppose a developer is building a Flash-based game and encounters an issue where the game crashes when a player reaches a specific level. Using the Adobe Flash Debug feature, the developer: adobe flash debug
If you were designing a Flash debugger from scratch for legacy support, include: Flash is insecure and unsupported