Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-19-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Attempted to open an attached pdf file and kontact crashed

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb3eb6091 in KMHandleAttachmentCommand::slotStart (this=0xaaa2c48) at ../../kmail/kmcommands.cpp:2916
#7  0xb3ea329b in KMHandleAttachmentCommand::qt_metacall (this=0xaaa2c48, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfd1626c) at ./kmcommands.moc:2240
#8  0x009df263 in QMetaObject::activate (sender=0x96fc468, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#9  0x009dfec2 in QMetaObject::activate (sender=0x96fc468, m=0xab9908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#10 0x009e4387 in QSingleShotTimer::timeout (this=0x96fc468) at .moc/release-shared/qtimer.moc:76
#11 0x009e449c in QSingleShotTimer::timerEvent (this=0x96fc468) at kernel/qtimer.cpp:298
#12 0x009d93bf in QObject::event (this=0x96fc468, e=0xbfd16700) at kernel/qobject.cpp:1075
#13 0x00faef54 in QApplicationPrivate::notify_helper (this=0x8b12188, receiver=0x96fc468, e=0xbfd16700) at kernel/qapplication.cpp:4056
#14 0x00fb667c in QApplication::notify (this=0xbfd16a64, receiver=0x96fc468, e=0xbfd16700) at kernel/qapplication.cpp:3603
#15 0x00ccebfa in KApplication::notify (this=0xbfd16a64, receiver=0x96fc468, event=0xbfd16700) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x009c96cb in QCoreApplication::notifyInternal (this=0xbfd16a64, receiver=0x96fc468, event=0xbfd16700) at kernel/qcoreapplication.cpp:610
#17 0x009f67ce in QCoreApplication::sendEvent (this=0x8b0b344) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#18 QTimerInfoList::activateTimers (this=0x8b0b344) at kernel/qeventdispatcher_unix.cpp:572
#19 0x009f40e0 in timerSourceDispatch (source=0x8b0b310) at kernel/qeventdispatcher_glib.cpp:165
#20 0x0298de88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x02991730 in ?? () from /lib/libglib-2.0.so.0
#22 0x02991863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x009f402c in QEventDispatcherGlib::processEvents (this=0x8ae99f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#24 0x0104fbe5 in QGuiEventDispatcherGlib::processEvents (this=0x8ae99f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#25 0x009c7c79 in QEventLoop::processEvents (this=0xbfd169c4, flags=) at kernel/qeventloop.cpp:149
#26 0x009c80ca in QEventLoop::exec (this=0xbfd169c4, flags=...) at kernel/qeventloop.cpp:201
#27 0x009ca53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#28 0x00faedd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#29 0x0804b4e6 in main (argc=1, argv=0xbfd16c84) at ../../../kontact/src/main.cpp:218

Reported using DrKonqi