Version:           1.9.5 (using KDE 3.5.5, Kubuntu (edgy) 4:3.5.5-0ubuntu3)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.17-10-generic

Kmail crashed on accessing a message of an imap mailbox. Here is the backtrace:

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1241969872 (LWP 24454)]
[New Thread -1280636000 (LWP 24499)]
[New Thread -1272243296 (LWP 24498)]
[New Thread -1263850592 (LWP 24497)]
[New Thread -1255457888 (LWP 24496)]
[KCrash handler]
#6  0xb5596a7c in KMFolder::open () from /usr/lib/libkmailprivate.so
#7  0xb571efb6 in KMail::ImapJob::init () from /usr/lib/libkmailprivate.so
#8  0xb572052d in KMail::ImapJob::execute () from /usr/lib/libkmailprivate.so
#9  0xb57136fd in KMail::FolderJob::start () from /usr/lib/libkmailprivate.so
#10 0xb56400e1 in KMFolderImap::doCreateJob ()
   from /usr/lib/libkmailprivate.so
#11 0xb55b6eff in FolderStorage::createJob () from /usr/lib/libkmailprivate.so
#12 0xb5598ab5 in KMFolder::createJob () from /usr/lib/libkmailprivate.so
#13 0xb56f514b in KMMainWidget::slotMsgSelected ()
   from /usr/lib/libkmailprivate.so
#14 0xb5708cb0 in KMMainWidget::qt_invoke () from /usr/lib/libkmailprivate.so
#15 0xb700c957 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#16 0xb555953e in KMHeaders::selected () from /usr/lib/libkmailprivate.so
#17 0xb555b589 in KMHeaders::highlightMessage ()
   from /usr/lib/libkmailprivate.so
#18 0xb555b97c in KMHeaders::highlightMessage ()
   from /usr/lib/libkmailprivate.so
#19 0xb5568e86 in KMHeaders::qt_invoke () from /usr/lib/libkmailprivate.so
#20 0xb700c957 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#21 0xb73b0e25 in QListView::currentChanged () from /usr/lib/libqt-mt.so.3
#22 0xb7106eaf in QListView::setCurrentItem () from /usr/lib/libqt-mt.so.3
#23 0xb710aca3 in QListView::contentsMousePressEventEx ()
   from /usr/lib/libqt-mt.so.3
#24 0xb710b3a8 in QListView::contentsMousePressEvent ()
   from /usr/lib/libqt-mt.so.3
#25 0xb682c1dc in KListView::contentsMousePressEvent ()
   from /usr/lib/libkdeui.so.4
#26 0xb555bab9 in KMHeaders::contentsMousePressEvent ()
   from /usr/lib/libkmailprivate.so
#27 0xb71420b9 in QScrollView::viewportMousePressEvent ()
   from /usr/lib/libqt-mt.so.3
#28 0xb714352c in QScrollView::eventFilter () from /usr/lib/libqt-mt.so.3
#29 0xb710b816 in QListView::eventFilter () from /usr/lib/libqt-mt.so.3
#30 0xb555d189 in KMHeaders::eventFilter () from /usr/lib/libkmailprivate.so
#31 0xb700bf04 in QObject::activate_filters () from /usr/lib/libqt-mt.so.3
#32 0xb700bf82 in QObject::event () from /usr/lib/libqt-mt.so.3
#33 0xb704365b in QWidget::event () from /usr/lib/libqt-mt.so.3
#34 0xb6fa3b88 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#35 0xb6fa5d46 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#36 0xb76ccdb2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#37 0xb6f363fd in QApplication::sendSpontaneousEvent ()
   from /usr/lib/libqt-mt.so.3
#38 0xb6f35062 in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#39 0xb6f3314c in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#40 0xb6f4a320 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#41 0xb6fbe25e in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#42 0xb6fbe06e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#43 0xb6fa5731 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#44 0x0805ad81 in main (argc=1, argv=0x0)
    at /build/buildd/kdepim-3.5.5/./kontact/src/main.cpp:161
#45 0xb776a8cc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#46 0x08058311 in _start ()