Application that crashed: nspluginviewer
Version of the application: 
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.9-174.fc12.i686.PAE i686

What I was doing when the application crashed:
I was surfing cdbaby.com

 -- Backtrace:
Application: nspluginviewer (nspluginviewer), signal: Segmentation fault
[KCrash Handler]
#6  KIO::Slave::deref (this=0x8f4d688) at /usr/src/debug/kdelibs-4.3.4/kio/kio/slave.cpp:242
#7  0x0535c847 in KIO::Slave::gotInput (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kio/kio/slave.cpp:335
#8  0x0535ec63 in KIO::Slave::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>)
    at /usr/src/debug/kdelibs-4.3.4/i686-redhat-linux-gnu/kio/slave.moc:76
#9  0x0502ec0c in QMetaObject::activate (sender=<value optimized out>, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=<value optimized out>)
    at kernel/qobject.cpp:3112
#10 0x0502f843 in QMetaObject::activate (sender=<value optimized out>, m=<value optimized out>, local_signal_index=<value optimized out>, argv=<value optimized out>) at kernel/qobject.cpp:3186
#11 0x052633d8 in KIO::Connection::readyRead (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/i686-redhat-linux-gnu/kio/connection.moc:86
#12 0x052651fe in KIO::ConnectionPrivate::dequeue (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kio/kio/connection.cpp:82
#13 0x05265326 in KIO::Connection::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>)
    at /usr/src/debug/kdelibs-4.3.4/i686-redhat-linux-gnu/kio/connection.moc:73
#14 0x050277fc in QMetaCallEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at kernel/qobject.cpp:477
#15 0x05028f96 in QObject::event (this=<value optimized out>, e=<value optimized out>) at kernel/qobject.cpp:1110
#16 0x05accb24 in QApplicationPrivate::notify_helper (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4065
#17 0x05ad4281 in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:3605
#18 0x0382e07b in KApplication::notify (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kdeui/kernel/kapplication.cpp:302
#19 0x05018d73 in QCoreApplication::notifyInternal (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>) at kernel/qcoreapplication.cpp:610
#20 0x05019972 in sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:213
#21 QCoreApplicationPrivate::sendPostedEvents (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.cpp:1247
#22 0x05019b2e in QCoreApplication::sendPostedEvents (receiver=<value optimized out>, event_type=<value optimized out>) at kernel/qcoreapplication.cpp:1140
#23 0x05043f40 in sendPostedEvents () at kernel/qcoreapplication.h:218
#24 postEventSourceDispatch () at kernel/qeventdispatcher_glib.cpp:210
#25 0x00a3e128 in g_main_dispatch (context=<value optimized out>) at gmain.c:1960
#26 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2513
#27 0x00a41a58 in g_main_context_iterate (context=<value optimized out>, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#28 0x00a41b84 in IA__g_main_context_iteration (context=0x8e008f8, may_block=<value optimized out>) at gmain.c:2654
#29 0x05043b6d in QEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#30 0x05b6c356 in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#31 0x050172aa in QEventLoop::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:149
#32 0x0501770a in QEventLoop::exec (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:201
#33 0x05019bf7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#34 0x05acc9a8 in QApplication::exec () at kernel/qapplication.cpp:3525
#35 0x0805c0b9 in main (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-4.3.4/apps/nsplugins/viewer/viewer.cpp:144

Reported using DrKonqi