XDrawChem

I'm the Fedora package maintainer. I've confirmed this on Fedora 7, but it
doesn't happen on Fedora 8.
GDB stacktrace from a x86_64 F-7 box:

% gdb xdrawchem
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This GDB was configured as "x86_64-redhat-linux-gnu"...
Using host libthread_db library "/lib64/libthread_db.so.1".
(gdb) run
Starting program: /usr/bin/xdrawchem
warning: no loadable sections found in added symbol-file system-supplied
DSO at 0x7fff169fd000
[Thread debugging using libthread_db enabled]
[New Thread 46912576563344 (LWP 24463)]
*** stack smashing detected ***: /usr/bin/xdrawchem terminated

Program received signal SIGABRT, Aborted.
[Switching to Thread 46912576563344 (LWP 24463)]
0x00002aaaad2335c5 in *__GI_raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
64 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
Current language: auto; currently c
(gdb) bt
#0 0x00002aaaad2335c5 in *__GI_raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00002aaaad235070 in *__GI_abort () at abort.c:88
#2 0x00002aaaad26bd0b in __libc_message (do_abort=1,
fmt=0x2aaaad321940 "*** stack smashing detected ***: %s
terminated\n")
at ../sysdeps/unix/sysv/linux/libc_fatal.c:170
#3 0x00002aaaad2e905f in __stack_chk_fail () at stack_chk_fail.c:31
#4 0x0000000000548fe0 in ApplicationWindow::OBGetFilters (this=0x8670f0)
at application_ob.cpp:70
#5 0x0000000000422d04 in ApplicationWindow (this=0x0) at
application.cpp:162
#6 0x00000000004dd600 in main (argc=1, argv=0x7fff168b2ce8) at
main.cpp:143
#7 0x00002aaaad220ab4 in __libc_start_main (main=0x4dcd60 <main>, argc=1,
ubp_av=0x7fff168b2ce8,
init=<value optimized out>, fini=<value optimized out>,
rtld_fini=<value optimized out>, stack_end=0x7fff168b2cd8)
at libc-start.c:222
#8 0x0000000000417cb9 in _start ()
(gdb) q
The program is running. Exit anyway? (y or n) y