Version:           Kmail Version 1.10.0 (using KDE 4.1.0)
Installed from:    Ubuntu Packages
OS:                Linux

1 - Open message composer.
2 - Misspell a word 
3 - select the word and Right Click in that word and click in "Auto Spell check"
4 - Then right click in the message body and it crashes.

Application: KMail (kmail), signal SIGSEGV
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb4416720 (LWP 12012)]
[KCrash handler]
#6  0xb77772bc in Sonnet::Highlighter::isWordMisspelled (this=0x0, 
    word=@0xbf926660)
    at /build/buildd/kde4libs-4.1.0/kdeui/sonnet/highlighter.cpp:434
#7  0xb79731e5 in KPIM::KMeditor::contextMenuEvent ()
   from /usr/lib/kde4/lib/libkdepim.so.4
#8  0xb69b29b0 in QWidget::event () from /usr/lib/libQtGui.so.4
#9  0xb6ce7063 in QFrame::event () from /usr/lib/libQtGui.so.4
#10 0xb6d7ac0f in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#11 0xb6d7bf95 in ?? () from /usr/lib/libQtGui.so.4
#12 0xb728aa21 in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/lib/libQtCore.so.4
#13 0xb695abe3 in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#14 0xb696000e in QApplication::notify () from /usr/lib/libQtGui.so.4
#15 0xb771eef3 in KApplication::notify (this=0xbf9273f8, receiver=0x8da8da0, 
    event=0xbf926bc4)
    at /build/buildd/kde4libs-4.1.0/kdeui/kernel/kapplication.cpp:311
#16 0xb728a6a9 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#17 0xb69c7448 in ?? () from /usr/lib/libQtGui.so.4
#18 0xb69c56b1 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#19 0xb69ee3ba in ?? () from /usr/lib/libQtGui.so.4
#20 0xb4d77dd6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0xb4d7b193 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0xb4d7b74e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0xb72b5f98 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#24 0xb69ee1b5 in ?? () from /usr/lib/libQtGui.so.4
#25 0xb728992d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#26 0xb7289abd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#27 0xb728bd3d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#28 0xb695a567 in QApplication::exec () from /usr/lib/libQtGui.so.4
#29 0x0804a85f in _start ()
#0  0xb7f65410 in __kernel_vsyscall ()