Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Right-click on highlighted message in IMAP folder + selecting 'print' caused crash. Message had two attached files (not downloaded or printed) 

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb0e596ca in KMMessage::bodyPart (aDwBodyPart=0xbda89f0, aPart=0xbe4d2d4, withBody=true) at /build/buildd/kdepim-4.3.1/mimelib/mimelib/string.h:618
#7  0xb11cc8d7 in statusBarMessage (this=0x9b13c28, url=@0xbf8740e0, w=0x94f0038) at /build/buildd/kdepim-4.3.1/kmail/partNode.h:99
#8  0xb11cc741 in KMail::URLHandlerManager::statusBarMessage (this=0x9ae5ab8, url=@0xbf8740e0, w=0x94f0038) at /build/buildd/kdepim-4.3.1/kmail/urlhandlermanager.cpp:323
#9  0xb0f6298c in KMReaderWin::slotUrlOn (this=0x94f0038, aUrl=@0x94fac60) at /build/buildd/kdepim-4.3.1/kmail/kmreaderwin.cpp:2023
#10 0xb0f63a35 in KMReaderWin::qt_metacall (this=0x94f0038, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbf87422c) at /build/buildd/kdepim-4.3.1/obj-i486-linux-gnu/kmail/kmreaderwin.moc:178
#11 0xb5bed1b8 in QMetaObject::activate (sender=0x94f5fe0, from_signal_index=14, to_signal_index=14, argv=0xbf87422c) at kernel/qobject.cpp:3113
#12 0xb5bede42 in QMetaObject::activate (sender=0x94f5fe0, m=0xb7f05e88, local_signal_index=0, argv=0xbf87422c) at kernel/qobject.cpp:3187
#13 0xb79ef563 in KHTMLPart::onURL (this=0x94f5fe0, _t1=@0x94fac60) at /build/buildd/kde4libs-4.3.1/obj-i486-linux-gnu/khtml/khtml_part.moc:400
#14 0xb7a07329 in KHTMLPart::overURL (this=0x94f5fe0, url=@0x94fac60, target=@0xbf8749d8) at /build/buildd/kde4libs-4.3.1/khtml/khtml_part.cpp:3517
#15 0xb7a097bc in KHTMLPart::handleMouseMoveEventOver (this=0x94f5fe0, event=0xbf874eb8) at /build/buildd/kde4libs-4.3.1/khtml/khtml_part.cpp:6347
#16 0xb7a09c5c in KHTMLPart::khtmlMouseMoveEvent (this=0x94f5fe0, event=0xbf874eb8) at /build/buildd/kde4libs-4.3.1/khtml/khtml_part.cpp:6395
#17 0xb79f0177 in KHTMLPart::customEvent (this=0x94f5fe0, event=0xbf874eb8) at /build/buildd/kde4libs-4.3.1/khtml/khtml_part.cpp:5940
#18 0xb5be840f in QObject::event (this=0x94f5fe0, e=0xbf874eb8) at kernel/qobject.cpp:1142
#19 0xb609ad3c in QApplicationPrivate::notify_helper (this=0x8ddec70, receiver=0x94f5fe0, e=0xbf874eb8) at kernel/qapplication.cpp:4056
#20 0xb60a303e in QApplication::notify (this=0xbf876fe8, receiver=0x94f5fe0, e=0xbf874eb8) at kernel/qapplication.cpp:3603
#21 0xb6c9485d in KApplication::notify (this=0xbf876fe8, receiver=0x94f5fe0, event=0xbf874eb8) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#22 0xb5bd7bcb in QCoreApplication::notifyInternal (this=0xbf876fe8, receiver=0x94f5fe0, event=0xbf874eb8) at kernel/qcoreapplication.cpp:610
#23 0xb79e1367 in KHTMLView::mouseMoveEvent (this=0x94f8d40, _mouse=0xbf875668) at /usr/include/qt4/QtCore/qcoreapplication.h:213
#24 0xb60f17dd in QWidget::event (this=0x94f8d40, event=0xbf875668) at kernel/qwidget.cpp:7534
#25 0xb64a2a53 in QFrame::event (this=0x94f8d40, e=0xbf875668) at widgets/qframe.cpp:559
#26 0xb79de23f in KHTMLView::widgetEvent (this=0x94f8d40, e=0x726f6a2e) at /build/buildd/kde4libs-4.3.1/khtml/khtmlview.cpp:2325
#27 0xb79de4ed in KHTMLView::eventFilter (this=0x94f8d40, o=0x94fa330, e=0xbf875668) at /build/buildd/kde4libs-4.3.1/khtml/khtmlview.cpp:2189
#28 0xb5bd6dea in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8ddec70, receiver=0x94fa330, event=0xbf875668) at kernel/qcoreapplication.cpp:726
#29 0xb609ad1a in QApplicationPrivate::notify_helper (this=0x8ddec70, receiver=0x94fa330, e=0xbf875668) at kernel/qapplication.cpp:4052
#30 0xb60a39b1 in QApplication::notify (this=0xbf876fe8, receiver=0x94fa330, e=0xbf875668) at kernel/qapplication.cpp:3758
#31 0xb6c9485d in KApplication::notify (this=0xbf876fe8, receiver=0x94fa330, event=0xbf875668) at /build/buildd/kde4libs-4.3.1/kdeui/kernel/kapplication.cpp:302
#32 0xb5bd7bcb in QCoreApplication::notifyInternal (this=0xbf876fe8, receiver=0x94fa330, event=0xbf875668) at kernel/qcoreapplication.cpp:610
#33 0xb60a2a1e in QApplicationPrivate::sendMouseEvent (receiver=0x94fa330, event=0xbf875668, alienWidget=0x94fa330, nativeWidget=0x8ea0178, buttonDown=0xb691caa0, lastMouseReceiver=@0xb691caa4)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#34 0xb6112cce in QETWidget::translateMouseEvent (this=0x8ea0178, event=0xbf876cfc) at kernel/qapplication_x11.cpp:4409
#35 0xb6112085 in QApplication::x11ProcessEvent (this=0xbf876fe8, event=0xbf876cfc) at kernel/qapplication_x11.cpp:3428
#36 0xb613d37a in x11EventSourceDispatch (s=0x8ddc268, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#37 0xb4ca8b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#38 0xb4cac0eb in ?? () from /usr/lib/libglib-2.0.so.0
#39 0xb4cac268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#40 0xb5c032f8 in QEventDispatcherGlib::processEvents (this=0x8dba028, flags={i = -1081643336}) at kernel/qeventdispatcher_glib.cpp:327
#41 0xb613ca75 in QGuiEventDispatcherGlib::processEvents (this=0x8dba028, flags={i = -1081643288}) at kernel/qguieventdispatcher_glib.cpp:202
#42 0xb5bd61fa in QEventLoop::processEvents (this=0xbf876f60, flags={i = -1081643224}) at kernel/qeventloop.cpp:149
#43 0xb5bd6642 in QEventLoop::exec (this=0xbf876f60, flags={i = -1081643160}) at kernel/qeventloop.cpp:201
#44 0xb5bd8ae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#45 0xb609abb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#46 0x0804bfef in main (argc=1, argv=0xbf8772e4) at /build/buildd/kdepim-4.3.1/kontact/src/main.cpp:218

Reported using DrKonqi