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 2.6.31-14-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
When I try to send multiple contact via email, kontact is crashing

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007f9128f9b4d3 in QString::operator==(QLatin1String const&) const () from /usr/lib/libQtCore.so.4
#6  0x00007f912953aa5c in KToolInvocation::invokeMailer(QString const&, QString const&, QString const&, QString const&, QString const&, QString const&, QStringList const&, QByteArray const&) ()
   from /usr/lib/libkdecore.so.5
#7  0x00007f910301db29 in ?? () from /usr/lib/libkaddressbookprivate.so.4
#8  0x00007f9102fdb554 in KABCore::mailVCard() () from /usr/lib/libkaddressbookprivate.so.4
#9  0x00007f9102fe65ae in KABCore::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkaddressbookprivate.so.4
#10 0x00007f9129056ddc in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00007f912995c0a7 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#12 0x00007f912995d4ef in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#13 0x00007f9129d49ecd in ?? () from /usr/lib/libQtGui.so.4
#14 0x00007f9129d4fdea in ?? () from /usr/lib/libQtGui.so.4
#15 0x00007f912a66b2be in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f91299b09c0 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x00007f9129d525ab in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#18 0x00007f9129961efc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x00007f9129969011 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007f912a598ab6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#21 0x00007f9129041c2c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#22 0x00007f91299688e0 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#23 0x00007f91299cee2e in ?? () from /usr/lib/libQtGui.so.4
#24 0x00007f91299cdaa9 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00007f91299f6d0c in ?? () from /usr/lib/libQtGui.so.4
#26 0x00007f91228bbbbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#27 0x00007f91228bf588 in ?? () from /lib/libglib-2.0.so.0
#28 0x00007f91228bf6b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#29 0x00007f912906a1a6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0x00007f91299f64be in ?? () from /usr/lib/libQtGui.so.4
#31 0x00007f9129040532 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007f9129040904 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#33 0x00007f9129042ab9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#34 0x0000000000403f47 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 186902

Reported using DrKonqi