The bug is not limited to convert, it can also be triggered by compare:
$ compare -fuzz 25% 174210.jpg 182452.jpg junk.jpg *** stack smashing detected ***: compare terminated Aborted (core dumped)
The bug is not limited to convert, it can also be triggered by compare:
$ compare -fuzz 25% 174210.jpg 182452.jpg junk.jpg
*** stack smashing detected ***: compare terminated
Aborted (core dumped)