Version:            (using KDE 4.2.0)
OS:                Linux
Installed from:    Ubuntu Packages

I got the following report :

Application : KMail (kmail), signal SIGSEGV
[Current thread is 0 (LWP 518)]

Thread 3 (Thread 0xb0c5fb90 (LWP 5820)):
#0  0xb80fa430 in __kernel_vsyscall ()
#1  0xb5e98c01 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6167150 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb60976ae in ?? () from /usr/lib/libQtCore.so.4
#4  0xb52e750f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb5ea07ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb03b1b90 (LWP 5860)):
#0  0xb80fa430 in __kernel_vsyscall ()
#1  0xb52eb3a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5eaea44 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb60986cc in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb608d886 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb60976ae in ?? () from /usr/lib/libQtCore.so.4
#6  0xb52e750f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb5ea07ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb40516c0 (LWP 518)):
[KCrash Handler]
#6  0xb740b02a in KMMessage::bodyPart (aDwBodyPart=0xb21d748, aPart=0xb4a77bc, withBody=true) at /build/buildd/kdepim-4.2.0/mimelib/mimelib/string.h:618
#7  0xb779a9e7 in statusBarMessage (this=0xa6d7a68, url=@0xbfdf8780, w=0xa27d4a8) at /build/buildd/kdepim-4.2.0/kmail/partNode.h:99
#8  0xb779a804 in KMail::URLHandlerManager::statusBarMessage (this=0xa3f7d00, url=@0xbfdf8780, w=0xa27d4a8) at /build/buildd/kdepim-4.2.0/kmail/urlhandlermanager.cpp:322
#9  0xb751bbac in KMReaderWin::slotUrlOn (this=0xa27d4a8, aUrl=@0xa4dfb84) at /build/buildd/kdepim-4.2.0/kmail/kmreaderwin.cpp:1973
#10 0xb751cc2d in KMReaderWin::qt_metacall (this=0xa27d4a8, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfdf88cc) at /build/buildd/kdepim-4.2.0/obj-i486-linux-gnu/kmail/kmreaderwin.moc:174
#11 0xb619ca60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb619d7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xb56f69d3 in KHTMLPart::onURL (this=0xa2c3e68, _t1=@0xa4dfb84) at /build/buildd/kde4libs-4.2.0/obj-i486-linux-gnu/khtml/khtml_part.moc:389
#14 0xb570e499 in KHTMLPart::overURL (this=0xa2c3e68, url=@0xa4dfb84, target=@0xbfdf9058) at /build/buildd/kde4libs-4.2.0/khtml/khtml_part.cpp:3466
#15 0xb571075c in KHTMLPart::handleMouseMoveEventOver (this=0xa2c3e68, event=0xbfdf9550) at /build/buildd/kde4libs-4.2.0/khtml/khtml_part.cpp:6275
#16 0xb5710bfc in KHTMLPart::khtmlMouseMoveEvent (this=0xa2c3e68, event=0xbfdf9550) at /build/buildd/kde4libs-4.2.0/khtml/khtml_part.cpp:6323
#17 0xb56f75a7 in KHTMLPart::customEvent (this=0xa2c3e68, event=0xbfdf9550) at /build/buildd/kde4libs-4.2.0/khtml/khtml_part.cpp:5871
#18 0xb61977d7 in QObject::event () from /usr/lib/libQtCore.so.4
#19 0xb64178ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#20 0xb641f72e in QApplication::notify () from /usr/lib/libQtGui.so.4
#21 0xb7f17fed in KApplication::notify (this=0xbfdfa638, receiver=0xa2c3e68, event=0xbfdf9550) at /build/buildd/kde4libs-4.2.0/kdeui/kernel/kapplication.cpp:307
#22 0xb6187e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#23 0xb56e7072 in KHTMLView::mouseMoveEvent (this=0xa47e6b8, _mouse=0xbfdf9cf8) at /usr/include/qt4/QtCore/qcoreapplication.h:209
#24 0xb646f7cb in QWidget::event () from /usr/lib/libQtGui.so.4
#25 0xb67a6fd3 in QFrame::event () from /usr/lib/libQtGui.so.4
#26 0xb56e3fdf in KHTMLView::widgetEvent (this=0xa47e6b8, e=0xbfdf9cf8) at /build/buildd/kde4libs-4.2.0/khtml/khtmlview.cpp:2367
#27 0xb56e424d in KHTMLView::eventFilter (this=0xa47e6b8, o=0xa47fad8, e=0xbfdf9cf8) at /build/buildd/kde4libs-4.2.0/khtml/khtmlview.cpp:2231
#28 0xb618704a in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4
#29 0xb64178ca in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#30 0xb64200e1 in QApplication::notify () from /usr/lib/libQtGui.so.4
#31 0xb7f17fed in KApplication::notify (this=0xbfdfa638, receiver=0xa47fad8, event=0xbfdf9cf8) at /build/buildd/kde4libs-4.2.0/kdeui/kernel/kapplication.cpp:307
#32 0xb6187e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#33 0xb641f36e in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#34 0xb6489656 in ?? () from /usr/lib/libQtGui.so.4
#35 0xb64889e5 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#36 0xb64b27aa in ?? () from /usr/lib/libQtGui.so.4
#37 0xb47d06f8 in IA__g_main_context_dispatch (context=0x9fd0898) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2144
#38 0xb47d3da3 in g_main_context_iterate (context=0x9fd0898, block=1, dispatch=1, self=0x9fc6170) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2778
#39 0xb47d3f61 in IA__g_main_context_iteration (context=0x9fd0898, may_block=1) at /build/buildd/glib2.0-2.18.2/glib/gmain.c:2841
#40 0xb61b2478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb64b1ea5 in ?? () from /usr/lib/libQtGui.so.4
#42 0xb618652a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#43 0xb61866ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#44 0xb6188da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#45 0xb6417767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#46 0x0804a7a0 in main (argc=) at /build/buildd/kdepim-4.2.0/kmail/main.cpp:146