Version:           3.4.0 (using KDE 3.4.0 Level "b" , SUSE 9.3 UNSUPPORTED)
Compiler:          gcc version 3.3.5 20050117 (prerelease) (SUSE Linux)
OS:                Linux (i686) release 2.6.11.4-20a-athlon-preempt

URL: http://story.news.yahoo.com/news?tmpl=story&cid=1894&e=1&u=/ap/20050515/ap_on_sc/green_gas

Trace:
(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
(no debugging symbols found)
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[KCrash handler]
#7  0x41c966a5 in khtml::CaretBoxLine::addConvertedInlineBox ()
   from /opt/kde3/lib/libkhtml.so.4
#8  0x41c96641 in khtml::CaretBoxLine::addConvertedInlineBox ()
   from /opt/kde3/lib/libkhtml.so.4
#9  0x41c96641 in khtml::CaretBoxLine::addConvertedInlineBox ()
   from /opt/kde3/lib/libkhtml.so.4
#10 0x41c97328 in khtml::CaretBoxLine::constructCaretBoxLine ()
   from /opt/kde3/lib/libkhtml.so.4
#11 0x41c9aa04 in khtml::findCaretBoxLine () from /opt/kde3/lib/libkhtml.so.4
#12 0x41c9b274 in KHTMLView::moveCaretTo () from /opt/kde3/lib/libkhtml.so.4
#13 0x41c9beb3 in KHTMLPart::khtmlMousePressEvent ()
   from /opt/kde3/lib/libkhtml.so.4
#14 0x41c764b7 in KHTMLPart::customEvent () from /opt/kde3/lib/libkhtml.so.4
#15 0x4129349e in QObject::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#16 0x41230d5f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#17 0x41232a83 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#18 0x40a196b1 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#19 0x41cacc69 in KHTMLView::viewportMousePressEvent ()
   from /opt/kde3/lib/libkhtml.so.4
#20 0x413b22c8 in QScrollView::eventFilter ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#21 0x41ca7f9c in KHTMLView::eventFilter () from /opt/kde3/lib/libkhtml.so.4
#22 0x4129337e in QObject::activate_filters ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#23 0x41293460 in QObject::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#24 0x412c9ebf in QWidget::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#25 0x41230d5f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#26 0x41233266 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#27 0x40a196b1 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#28 0x411ce28e in QETWidget::translateMouseEvent ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#29 0x411cd146 in QApplication::x11ProcessEvent ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#30 0x411ddc38 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#31 0x41248e51 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0x41248c96 in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0x4123294f in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#34 0x400d6ccc in kdemain () from /opt/kde3/lib/libkdeinit_konqueror.so
#35 0x080486ae in main ()

Note that this is not repeatable.  Konqueror had been running for quite some time.