Mathematica 12.1.1 under macOS Catalina 10.15.7.
- In a new notebook, evaluate:
- Click once on the output's graphic image, which causes the bounding box to appear.
- From menu Graphics select Drawing Tools.
- Select the eyedropper on the palette that opens.
- Click on the graphic image.
- Mathematica quits unexpectedly!
(Credit for discovering the bug (on macOS) goes to Mark Normand.)