Application that crashed: kmail
Version of the application: 1.12.4
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Seems to happen for any message.  Strange, didn'T happen last week, so it's probably related to a very recent update.

 -- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
[KCrash Handler]
#6  0x030f2790 in DwHeaders::FindField (this=0xc381ffe8, aFieldName=0xaf83a18 "From") at ../../mimelib/headers.cpp:287
#7  0x00db087f in KMMessage::rawHeaderField (this=0xaf634e0, name=...) at ../../kmail/kmmessage.cpp:1961
#8  0x00db2b85 in KMMessage::from (this=0xaf634e0) at ../../kmail/kmmessage.cpp:1712
#9  0x010419eb in KMail::FancyHeaderStyle::format (this=0xa35a3b0, message=0xaf634e0, strategy=0xa096018, vCardName=..., printing=false, topLevel=true) at ../../kmail/headerstyle.cpp:457
#10 0x00ec1e17 in KMReaderWin::writeMsgHeader (this=0xa36d2a8, aMsg=0xaf634e0, hasVCard=false, topLevel=<value optimized out>) at ../../kmail/kmreaderwin.cpp:1791
#11 0x00eca2f2 in KMReaderWin::parseMsg (this=0xa36d2a8, aMsg=0xaf634e0) at ../../kmail/kmreaderwin.cpp:1678
#12 0x00eb7729 in KMReaderWin::displayMessage (this=0xa36d2a8) at ../../kmail/kmreaderwin.cpp:1608
#13 0x00eb791b in KMReaderWin::updateReaderWin (this=0xa36d2a8) at ../../kmail/kmreaderwin.cpp:1548
#14 0x00ec5ed4 in KMReaderWin::qt_metacall (this=0xa36d2a8, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfc5126c) at ./kmreaderwin.moc:168
#15 0x00a00263 in QMetaObject::activate (sender=0xa36d300, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#16 0x00a00ec2 in QMetaObject::activate (sender=0xa36d300, m=0xadb904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#17 0x00a3a667 in QTimer::timeout (this=0xa36d300) at .moc/release-shared/moc_qtimer.cpp:128
#18 0x00a059ae in QTimer::timerEvent (this=0xa36d300, e=0xbfc51700) at kernel/qtimer.cpp:261
#19 0x009fa3bf in QObject::event (this=0xa36d300, e=0xbfc51700) at kernel/qobject.cpp:1075
#20 0x067f7f54 in QApplicationPrivate::notify_helper (this=0x9f8bd28, receiver=0xa36d300, e=0xbfc51700) at kernel/qapplication.cpp:4056
#21 0x067ff67c in QApplication::notify (this=0xbfc51b00, receiver=0xa36d300, e=0xbfc51700) at kernel/qapplication.cpp:3603
#22 0x006eb1aa in KApplication::notify (this=0xbfc51b00, receiver=0xa36d300, event=0xbfc51700) at ../../kdeui/kernel/kapplication.cpp:302
#23 0x009ea6cb in QCoreApplication::notifyInternal (this=0xbfc51b00, receiver=0xa36d300, event=0xbfc51700) at kernel/qcoreapplication.cpp:610
#24 0x00a177ce in QCoreApplication::sendEvent (this=0x9f07c84) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#25 QTimerInfoList::activateTimers (this=0x9f07c84) at kernel/qeventdispatcher_unix.cpp:572
#26 0x00a150e0 in timerSourceDispatch (source=0x9f07c50) at kernel/qeventdispatcher_glib.cpp:165
#27 0x02175e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0x02179730 in ?? () from /lib/libglib-2.0.so.0
#29 0x02179863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#30 0x00a1502c in QEventDispatcherGlib::processEvents (this=0x9edf180, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#31 0x06898be5 in QGuiEventDispatcherGlib::processEvents (this=0x9edf180, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#32 0x009e8c79 in QEventLoop::processEvents (this=0xbfc519c4, flags=) at kernel/qeventloop.cpp:149
#33 0x009e90ca in QEventLoop::exec (this=0xbfc519c4, flags=...) at kernel/qeventloop.cpp:201
#34 0x009eb53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#35 0x067f7dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#36 0x0804a702 in main (argc=3, argv=0xbfc51cb4) at ../../kmail/main.cpp:146

This bug may be a duplicate of or related to bug 217964

Reported using DrKonqi