I have the same problem on Jaunty:

Trying to open a .mdb file the program stops with the following messages to see in the terminal.


*** stack smashing detected ***: gmdb2 terminated
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x48)[0xb7293da8]
/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x0)[0xb7293d60]
gmdb2[0x804d807]
gmdb2(gmdb_file_open_cb+0x2c)[0x804d83c]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x84)[0xb73e23a4]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xb73d4c7b]
/usr/lib/libgobject-2.0.so.0[0xb73eae57]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7b9)[0xb73ec4b9]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x26)[0xb73ec936]
/usr/lib/libgtk-x11-2.0.so.0(gtk_button_clicked+0x8a)[0xb78a1bda]
/usr/lib/libgtk-x11-2.0.so.0[0xb7acb099]
/usr/lib/libgtk-x11-2.0.so.0[0xb795a853]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xb73d4c7b]
/usr/lib/libgobject-2.0.so.0[0xb73eae57]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7b9)[0xb73ec4b9]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x26)[0xb73ec936]
/usr/lib/libgtk-x11-2.0.so.0(gtk_tree_view_row_activated+0x98)[0xb7a53788]
/usr/lib/libgtk-x11-2.0.so.0[0xb7a654ad]
/usr/lib/libgtk-x11-2.0.so.0[0xb795b256]
/usr/lib/libgobject-2.0.so.0[0xb73d33d9]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xb73d4c7b]
/usr/lib/libgobject-2.0.so.0[0xb73eaaff]
/usr/lib/libgtk-x11-2.0.so.0[0xb7896670]
/usr/lib/libgtk-x11-2.0.so.0[0xb7896c2c]
/usr/lib/libgtk-x11-2.0.so.0[0xb7896e9d]
/usr/lib/libgtk-x11-2.0.so.0(gtk_bindings_activate_event+0xfe)[0xb789700e]
/usr/lib/libgtk-x11-2.0.so.0[0xb7a5f37e]
/usr/lib/libgtk-x11-2.0.so.0[0xb795c526]
/usr/lib/libgobject-2.0.so.0[0xb73d33d9]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0xd8)[0xb73d4ba8]
/usr/lib/libgobject-2.0.so.0[0xb73eaaff]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x64f)[0xb73ec34f]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x26)[0xb73ec936]
/usr/lib/libgtk-x11-2.0.so.0[0xb7a772ae]
/usr/lib/libgtk-x11-2.0.so.0(gtk_window_propagate_key_event+0x11f)[0xb7a8b11f]
/usr/lib/libgtk-x11-2.0.so.0[0xb7a8e49c]
/usr/lib/libgtk-x11-2.0.so.0[0xb795c526]
/usr/lib/libgobject-2.0.so.0[0xb73d33d9]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xb73d4c7b]
/usr/lib/libgobject-2.0.so.0[0xb73eaaff]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x64f)[0xb73ec34f]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x26)[0xb73ec936]
/usr/lib/libgtk-x11-2.0.so.0[0xb7a772ae]
/usr/lib/libgtk-x11-2.0.so.0(gtk_propagate_event+0x1b1)[0xb7955041]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x2e7)[0xb7956327]
/usr/lib/libgdk-x11-2.0.so.0[0xb77e334a]
/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1e8)[0xb734bb88]
/usr/lib/libglib-2.0.so.0[0xb734f0eb]
/usr/lib/libglib-2.0.so.0(g_main_loop_run+0x1ca)[0xb734f5ba]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main+0xb9)[0xb79567d9]
gmdb2(main+0x14f)[0x804ca8f]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5)[0xb71ac775]
gmdb2[0x804c721]
======= Memory map: ========
08048000-08057000 r-xp 00000000 08:05 253588     /usr/bin/gmdb2
08057000-08058000 rw-p 0000e000 08:05 253588     /usr/bin/gmdb2
09e32000-0a19f000 rw-p 09e32000 00:00 0          [heap]
b6715000-b6722000 r-xp 00000000 08:05 391699     /lib/libgcc_s.so.1
b6722000-b6723000 r--p 0000c000 08:05 391699     /lib/libgcc_s.so.1
b6723000-b6724000 rw-p 0000d000 08:05 391699     /lib/libgcc_s.so.1
b6724000-b6733000 r-xp 00000000 08:05 391704     /lib/libbz2.so.1.0.4
b6733000-b6734000 r--p 0000f000 08:05 391704     /lib/libbz2.so.1.0.4
b6734000-b6735000 rw-p 00010000 08:05 391704     /lib/libbz2.so.1.0.4
b6735000-b6766000 r-xp 00000000 08:05 254969     /usr/lib/libcroco-0.6.so.3.0.1
b6766000-b6769000 rw-p 00030000 08:05 254969     /usr/lib/libcroco-0.6.so.3.0.1
b6769000-b679c000 r-xp 00000000 08:05 257670     /usr/lib/libgsf-1.so.114.0.11
b679c000-b679d000 ---p 00033000 08:05 257670     /usr/lib/libgsf-1.so.114.0.11
b679d000-b679f000 r--p 00033000 08:05 257670     /usr/lib/libgsf-1.so.114.0.11
b679f000-b67a0000 rw-p 00035000 08:05 257670     /usr/lib/libgsf-1.so.114.0.11
b67a0000-b67a1000 rw-p b67a0000 00:00 0 
b67a1000-b67d2000 r-xp 00000000 08:05 253857     /usr/lib/librsvg-2.so.2.26.0
b67d2000-b67d3000 r--p 00031000 08:05 253857     /usr/lib/librsvg-2.so.2.26.0
b67d3000-b67d4000 rw-p 00032000 08:05 253857     /usr/lib/librsvg-2.so.2.26.0
b67e5000-b6845000 rw-s 00000000 00:09 1015823    /SYSV00000000 (deleted)
b6845000-b685d000 r--s 00000000 08:05 334648     /usr/share/mime/mime.cache
b685d000-b6877000 r-xp 00000000 08:05 277542     /usr/lib/gio/modules/libgvfsdbus.so
b6877000-b6878000 r--p 00019000 08:05 277542     /usr/lib/gio/modules/libgvfsdbus.so
b6878000-b6879000 rw-p 0001a000 08:05 277542     /usr/lib/gio/modules/libgvfsdbus.so
b6879000-b688b000 r-xp 00000000 08:05 254325     /usr/lib/libgvfscommon.so.0.0.0
b688b000-b688c000 r--p 00012000 08:05 254325     /usr/lib/libgvfscommon.so.0.0.0
b688c000-b688d000 rw-p 00013000 08:05 254325     /usr/lib/libgvfscommon.so.0.0.0
b6895000-b6896000 r-xp 00000000 08:05 278121     /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so
b6896000-b6897000 r--p 00000000 08:05 278121     /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so
b6897000-b6898000 rw-p 00001000 08:05 278121     /usr/lib/gtk-2.0/2.10.0/loaders/svg_loader.so
b6898000-b689c000 r-xp 00000000 08:05 278096     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
b689c000-b689d000 r--p 00003000 08:05 278096     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
b689d000-b689e000 rw-p 00004000 08:05 278096     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-png.so
b689e000-b68ad000 r-xp 00000000 08:05 277541     /usr/lib/gio/modules/libgioremote-volume-monitor.so
b68ad000-b68ae000 r--p 0000e000 08:05 277541     /usr/lib/gio/modules/libgioremote-volume-monitor.so
b68ae000-b68af000 rw-p 0000f000 08:05 277541     /usr/lib/gio/modules/libgioremote-volume-monitor.so
b68af000-b695a000 r--p 00000000 08:05 465851     /usr/share/icons/Tangerine/icon-theme.cache
b695a000-b69f2000 r--p 00000000 08:05 383772     /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf
b69f2000-b69f4000 r-xp 00000000 08:05 318425     /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
b69f4000-b69f5000 r--p 00001000 08:05 318425     /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
b69f5000-b69f6000 rw-p 00002000 08:05 318425     /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
b69f6000-b69fc000 r--s 00000000 08:05 368887     /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-x86.cache-2
b69fc000-b69ff000 r--s 00000000 08:05 368890     /var/cache/fontconfig/e383d7ea5fbe662a33d9b44caf393297-x86.cache-2
b69ff000-b6a01000 r--s 00000000 08:05 368860     /var/cache/fontconfig/c69f04ab05004e31a6d5e715764f16d8-x86.cache-2
b6a01000-b6a04000 r--s 00000000 08:05 370044     /var/cache/fontconfig/6eb3985aa4124903f6ff08ba781cd364-x86.cache-2
b6a04000-b6a05000 r--s 00000000 08:05 370038     /var/cache/fontconfig/4c73fe0c47614734b17d736dbde7580a-x86.cache-2
b6a05000-b6a08000 r--s 00000000 08:05 368859     /var/cache/fontconfig/a755afe4a08bf5b97852ceb7400b47bc-x86.cache-2
b6a08000-b6a0f000 r--s 00000000 08:05 368889     /var/cache/fontconfig/6d41288fd70b0be22e8c3a91e032eec0-x86.cache-2
b6a0f000-b6a12000 r--s 00000000 08:05 368626     /var/cache/fontconfig/de156ccd2eddbdc19d37a45b8b2aac9c-x86.cache-2
b6a12000-b6a1a000 r--s 00000000 08:05 370137     /var/cache/fontconfig/e3de0de479f42330eadf588a55fb5bf4-x86.cache-2
b6a1a000-b6a25000 r--s 00000000 08:05 370136     /var/cache/fontconfig/0f34bcd4b6ee430af32735b75db7f02b-x86.cache-2
b6a25000-b6a27000 r--s 00000000 08:05 367832     /var/cache/fontconfig/ddd4086aec35a5275babba44bb759c3c-x86.cache-2
b6a27000-b6a28000 r--s 00000000 08:05 370039     /var/cache/fontconfig/4794a0821666d79190d59a36cb4f44b5-x86.cache-2
b6a28000-b6a2b000 r--s 00000000 08:05 368596     /var/cache/fontconfig/de9486f0b47a4d768a594cb4198cb1c6-x86.cache-2
b6a2b000-b6a32000 r--s 00000000 08:05 369635     /var/cache/fontconfig/d52a8644073d54c13679302ca1180695-x86.cache-2
b6a32000-b6a38000 r--s 00000000 08:05 370041     /var/cache/fontconfig/089dead882dea3570ffc31a9898cfb69-x86.cache-2
b6a38000-b6a46000 r--s 00000000 08:05 367915     /var/cache/fontconfig/89f3e8140df390472521801ee9e86c5c-x86.cache-2
b6a46000-b6a48000 r--s 00000000 08:05 370047     /var/cache/fontconfig/e13b20fdb08344e0e664864cc2ede53d-x86.cache-2
b6a48000-b6a4a000 r--s 00000000 08:05 367918     /var/cache/fontconfig/7ef2298fde41cc6eeb7af42e48b7d293-x86.cache-2
b6a4a000-b6a50000 r-xp 00000000 08:05 278139     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-xpm.so
b6a50000-b6a51000 r--p 00005000 08:05 278139     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-xpm.so
b6a51000-b6a52000 rw-p 00006000 08:05 278139     /usr/lib/gtk-2.0/2.10.0/loaders/libpixbufloader-xpm.so
b6a52000-b6a5d000 r--p 00000000 08:05 506886     /usr/share/locale-langpack/de/LC_MESSAGES/glib20.mo
b6a5e000-b6a61000 r--p 00000000 08:05 506874     /usr/share/locale-langpack/de/LC_MESSAGES/libbonoboui-2.0.mo
b6a61000-b6a64000 r--p 00000000 08:05 506975     /usr/share/locale-langpack/de/LC_MESSAGES/atk10.mo
b6a64000-b6a6a00Aborted


I hope that's not to hard to fix the bug.