Application that crashed: kontact
Version of the application: 4.3.0
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Kontact/Kmail was just checking new mails on a dimap account when it crash with the following stracktrace.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fca4c43256e in KMFolderCachedImap::findByUID (this=0x15357b0, uid=42601) at ../../kmail/kmfoldercachedimap.cpp:691
#6  0x00007fca4c448410 in KMFolderCachedImap::slotGetMessagesData (this=0x15357b0, job=0x6700480, data=...) at ../../kmail/kmfoldercachedimap.cpp:1862
#7  0x00007fca4c44b70e in KMFolderCachedImap::qt_metacall (this=0x15357b0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff9d1832f0) at ./kmfoldercachedimap.moc:201
#8  0x00007fca625ee602 in QMetaObject::activate (sender=0x6700480, from_signal_index=<value optimized out>, to_signal_index=40, argv=0x3e0abc0) at kernel/qobject.cpp:3112
#9  0x00007fca5fe4b564 in KIO::TransferJob::data (this=0x15357b0, _t1=0x6700480, _t2=<value optimized out>) at ./jobclasses.moc:364
#10 0x00007fca5fe50da9 in KIO::TransferJob::qt_metacall (this=0x6700480, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff9d183420) at ./jobclasses.moc:344
#11 0x00007fca625ee602 in QMetaObject::activate (sender=0x20d65d0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x3e0abc0) at kernel/qobject.cpp:3112
#12 0x00007fca5ff0f712 in KIO::SlaveInterface::data (this=0x15357b0, _t1=<value optimized out>) at ./slaveinterface.moc:140
#13 0x00007fca5ff13058 in KIO::SlaveInterface::dispatch (this=0x20d65d0, _cmd=100, rawdata=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:163
#14 0x00007fca5ff0f9c2 in KIO::SlaveInterface::dispatch (this=0x20d65d0) at ../../kio/kio/slaveinterface.cpp:91
#15 0x00007fca5ff0242e in KIO::Slave::gotInput (this=0x20d65d0) at ../../kio/kio/slave.cpp:322
#16 0x00007fca5ff04758 in KIO::Slave::qt_metacall (this=0x20d65d0, _c=QMetaObject::InvokeMetaMethod, _id=32833, _a=0x7fff9d183810) at ./slave.moc:76
#17 0x00007fca625ee602 in QMetaObject::activate (sender=0x2275740, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x3e0abc0) at kernel/qobject.cpp:3112
#18 0x00007fca5fe1f381 in KIO::ConnectionPrivate::dequeue (this=0x20ee9f0) at ../../kio/kio/connection.cpp:82
#19 0x00007fca5fe1f7da in KIO::Connection::qt_metacall (this=0x2275740, _c=QMetaObject::InvokeMetaMethod, _id=32833, _a=0x4d237a0) at ./connection.moc:73
#20 0x00007fca625e8ee8 in QObject::event (this=0x2275740, e=0x12b2bb0) at kernel/qobject.cpp:1110
#21 0x00007fca61a517ad in QApplicationPrivate::notify_helper (this=0x994960, receiver=0x2275740, e=0x12b2bb0) at kernel/qapplication.cpp:4056
#22 0x00007fca61a5980a in QApplication::notify (this=0x7fff9d184370, receiver=0x2275740, e=0x12b2bb0) at kernel/qapplication.cpp:4021
#23 0x00007fca62f74b2b in KApplication::notify (this=0x7fff9d184370, receiver=0x2275740, event=0x12b2bb0) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x00007fca625d949c in QCoreApplication::notifyInternal (this=0x7fff9d184370, receiver=0x2275740, event=0x12b2bb0) at kernel/qcoreapplication.cpp:610
#25 0x00007fca625da0e4 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x956170) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x956170) at kernel/qcoreapplication.cpp:1247
#27 0x00007fca62601ef3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#28 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:210
#29 0x00007fca5b97c7aa in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x00007fca5b97fdf8 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007fca5b97ffac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0x00007fca62601b7f in QEventDispatcherGlib::processEvents (this=0x955da0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#33 0x00007fca61ae85ef in QGuiEventDispatcherGlib::processEvents (this=0x15357b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#34 0x00007fca625d7d62 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007fca625d8134 in QEventLoop::exec (this=0x7fff9d1841d0, flags=...) at kernel/qeventloop.cpp:201
#36 0x00007fca625da3a4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#37 0x0000000000404751 in main (argc=1, argv=0x7fff9d184948) at ../../../kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 197624

Reported using DrKonqi