Comment 0 for bug 128185

*** glibc detected *** /usr/lib/thunderbird/thunderbird-bin: double free or corruption (out): 0x08d818b0 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7448dd5]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb744c870]
/usr/lib/libglib-2.0.so.0(g_free+0x31)[0xb7682981]
/usr/lib/thunderbird/components/libgfx_gtk.so[0xb52d4c66]
/usr/lib/thunderbird/components/libgfx_gtk.so[0xb52f4239]
/usr/lib/thunderbird/components/libgklayout.so[0xb4d2b17d]
...
/usr/lib/thunderbird/components/libgklayout.so[0xb5023586]
/usr/lib/thunderbird/components/libwidget_gtk2.so[0xb5d742fe]
/usr/lib/thunderbird/components/libwidget_gtk2.so[0xb5d6bfb2]
/usr/lib/thunderbird/components/libwidget_gtk2.so[0xb5d6c03b]
/usr/lib/libgtk-x11-2.0.so.0[0xb7b8eb72]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x123)[0xb77157c3]
/usr/lib/libgobject-2.0.so.0[0xb7727735]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x6d6)[0xb7728a46]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x29)[0xb7728e39]
/usr/lib/libgtk-x11-2.0.so.0[0xb7cc8158]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x42f)[0xb7b87ebf]
/usr/lib/libgdk-x11-2.0.so.0[0xb79c1821]
/usr/lib/libgdk-x11-2.0.so.0(gdk_window_process_all_updates+0x97)[0xb79c1a47]
/usr/lib/libgdk-x11-2.0.so.0[0xb79c1aab]
/usr/lib/libgdk-x11-2.0.so.0[0xb79a7a58]
/usr/lib/libglib-2.0.so.0[0xb76795e1]
/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x17c)[0xb767b1ac]
/usr/lib/libglib-2.0.so.0[0xb767e5ef]
======= Memory map: ========
08048000-0805b000 r-xp 00000000 08:05 6508095 /usr/lib/thunderbird/thunderbird-bin
0805b000-0805d000 rw-p 00012000 08:05 6508095 /usr/lib/thunderbird/thunderbird-bin
0805d000-09306000 rw-p 0805d000 00:00 0 [heap]
afc29000-afe6a000 rw-p afc29000 00:

this appears when I'm clicking on the "new mail" button in the toolbar.

same with firefox, but not on opening a new window with websites, but on opening the save dialogue, by exemple.