This command coredumps with ImageMagick-126.96.36.199-4:
jik:~/pictures/2004/0227!1065$ display -geometry '1400x1050>' /dev/null
*** glibc detected *** double free or corruption (!prev): 0x08051f90 ***
Aborted (core dumped)
This is obviously an artificial command, but I've found other,
non-artificial commands that coredump in the same way; this is just an
Incidentally, I have glibc-2.3.4-3; I don't know if that's relevant.
Works fine for me with 6.2.0