Application that crashed: kmail
Version of the application: 1.12.1
KDE Version: 4.3.00 (KDE 4.3.0) "release 152"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.29-0.1-pae i686
Distribution: "openSUSE 11.1 (i586)"

What I was doing when the application crashed:
I just open kmail and try to browse inbox. Wait for the retrival to finish from pop3 sever and click on an email to see it in the preview panel

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[Current thread is 1 (Thread 0xb3a7b700 (LWP 5246))]

Thread 2 (Thread 0xaf5b1b90 (LWP 5356)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb67cff62 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb682f55c in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb6824b96 in ?? () from /usr/lib/libQtCore.so.4
#4  0xb682e572 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb67cc1b5 in start_thread () from /lib/libpthread.so.0
#6  0xb5b213be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb3a7b700 (LWP 5246)):
[KCrash Handler]
#6  0xb4e44790 in DwHeaders::FindField (this=0x0, aFieldName=0x90d4690 "From") at /usr/src/debug/kdepim-4.3.0/mimelib/headers.cpp:287
#7  0xb7355cb6 in KMMessage::rawHeaderField (this=0x82b0010, name=@0xbfa819f8) at /usr/src/debug/kdepim-4.3.0/kmail/kmmessage.cpp:1959
#8  0xb7358ff5 in KMMessage::from (this=0x82b0010) at /usr/src/debug/kdepim-4.3.0/kmail/kmmessage.cpp:1710
#9  0xb75e7b4b in KMail::FancyHeaderStyle::format (this=0x83ad2c0, message=0x82b0010, strategy=0x811eef8, vCardName=@0xbfa87420, printing=false, topLevel=true)
    at /usr/src/debug/kdepim-4.3.0/kmail/headerstyle.cpp:457
#10 0xb74645e3 in KMReaderWin::writeMsgHeader (this=0x8324b88, aMsg=0x82b0010, hasVCard=false, topLevel=<value optimized out>) at /usr/src/debug/kdepim-4.3.0/kmail/kmreaderwin.cpp:1781
#11 0xb746b718 in KMReaderWin::parseMsg (this=0x8324b88, aMsg=0x82b0010) at /usr/src/debug/kdepim-4.3.0/kmail/kmreaderwin.cpp:1666
#12 0xb745690b in KMReaderWin::displayMessage (this=0x8324b88) at /usr/src/debug/kdepim-4.3.0/kmail/kmreaderwin.cpp:1603
#13 0xb7456b20 in KMReaderWin::updateReaderWin (this=0x8324b88) at /usr/src/debug/kdepim-4.3.0/kmail/kmreaderwin.cpp:1543
#14 0xb7466708 in KMReaderWin::qt_metacall (this=0x8324b88, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfa87858) at /usr/src/debug/kdepim-4.3.0/build/kmail/kmreaderwin.moc:168
#15 0xb6938788 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#16 0xb6939412 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#17 0xb6974fe7 in QTimer::timeout() () from /usr/lib/libQtCore.so.4
#18 0xb693ec0e in QTimer::timerEvent(QTimerEvent*) () from /usr/lib/libQtCore.so.4
#19 0xb693372f in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#20 0xb5df87fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0xb5e00aee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0xb7e9a27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#23 0xb692316b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#24 0xb69525f6 in ?? () from /usr/lib/libQtCore.so.4
#25 0xb694e980 in ?? () from /usr/lib/libQtCore.so.4
#26 0xb40fa9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb40fe083 in ?? () from /usr/lib/libglib-2.0.so.0
#28 0xb40fe241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#29 0xb694e8d8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0xb5e98cc5 in ?? () from /usr/lib/libQtGui.so.4
#31 0xb692178a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0xb6921bd2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#33 0xb6924079 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#34 0xb5df8677 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#35 0x0804a820 in main (argc=) at /usr/src/debug/kdepim-4.3.0/kmail/main.cpp:146

Reported using DrKonqi