Application that crashed: nspluginviewer
Version of the application: 
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-1-686 i686
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Scroled down through the page with flash content

 -- Backtrace:
Application: nspluginviewer (nspluginviewer), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5824700 (LWP 12223))]

Thread 2 (Thread 0xb1b58b70 (LWP 12374)):
#0  0xb7815424 in __kernel_vsyscall ()
#1  0xb5b000a5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0
#2  0xb5f8b82d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6
#3  0xb345778f in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#4  0xb3588b3f in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#5  0xb3457c3d in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#6  0xb5afc585 in start_thread () from /lib/i686/cmov/libpthread.so.0
#7  0xb5f7e2be in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5824700 (LWP 12223)):
[KCrash Handler]
#6  0xb757b9bb in g_slice_alloc () from /lib/libglib-2.0.so.0
#7  0xb757c0c5 in g_slice_alloc0 () from /lib/libglib-2.0.so.0
#8  0xb5a327fb in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0
#9  0xb5a17575 in ?? () from /usr/lib/libgobject-2.0.so.0
#10 0xb5a18da4 in g_object_newv () from /usr/lib/libgobject-2.0.so.0
#11 0xb5a19417 in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0
#12 0xb5a1958e in g_object_new () from /usr/lib/libgobject-2.0.so.0
#13 0xb319efdc in gtk_plug_new_for_display () from /usr/lib/libgtk-x11-2.0.so.0
#14 0xb319f026 in gtk_plug_new () from /usr/lib/libgtk-x11-2.0.so.0
#15 0xb344a9cd in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#16 0xb3440581 in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#17 0xb3444db4 in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#18 0x080501e8 in ?? ()
#19 0x0805df93 in ?? ()
#20 0x0805d332 in ?? ()
#21 0x0805ae5a in ?? ()
#22 0x0805e68c in ?? ()
#23 0xb75ffbe5 in ?? () from /usr/lib/libQtDBus.so.4
#24 0xb7600d32 in ?? () from /usr/lib/libQtDBus.so.4
#25 0xb7601254 in ?? () from /usr/lib/libQtDBus.so.4
#26 0xb760173a in ?? () from /usr/lib/libQtDBus.so.4
#27 0xb6bfb5e0 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#28 0xb622aa94 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#29 0xb6232bee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb70ed0fd in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#31 0xb6beb1eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#32 0xb6bebe2e in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#33 0xb6bec00d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#34 0xb6c164cf in ?? () from /usr/lib/libQtCore.so.4
#35 0xb755cf28 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0xb75606b3 in ?? () from /lib/libglib-2.0.so.0
#37 0xb7560838 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0xb3169f64 in gtk_main_iteration () from /usr/lib/libgtk-x11-2.0.so.0
#39 0xb3447b17 in ?? () from /usr/lib/mozilla/plugins/flash-mozilla.so
#40 0xb755d5e6 in ?? () from /lib/libglib-2.0.so.0
#41 0xb755cf28 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#42 0xb75606b3 in ?? () from /lib/libglib-2.0.so.0
#43 0xb7560838 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#44 0xb6c16041 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#45 0xb62ca305 in ?? () from /usr/lib/libQtGui.so.4
#46 0xb6be983a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#47 0xb6be9c82 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#48 0xb6bec0d9 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#49 0xb622a917 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#50 0x0805c3ec in ?? ()
#51 0xb5ec5b55 in __libc_start_main () from /lib/i686/cmov/libc.so.6
#52 0x0804e511 in _start ()

This bug may be a duplicate of or related to bug 210500

Reported using DrKonqi