Kioslave5: Segmentation fault

Often when browsing remote directories in dolphin I get spammed by the following error in Dr Konqi:

We are sorry , `kioslave5` closed unexpectedly

However, I do not notice any issues with usability except the visibility of image thumbnails for TIFF files. Below is the complete crash log:

Application: kioslave5 (kioslave5), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = <optimized out>}
[KCrash Handler]
#6  0x00007fe7b768cf3b in QMetaObject::cast (this=0x7fe7b7910080 <QFileDevice::staticMetaObject>, obj=0x556c3cfcdad0) at kernel/qmetaobject.cpp:389
#7  0x00007fe7b768cf7a in QMetaObject::cast (this=<optimized out>, obj=<optimized out>) at kernel/qmetaobject.cpp:378
#8  0x00007fe7a3ed5508 in qobject_cast<QFileDevice*> (object=<optimized out>) at /usr/include/qt/QtCore/qobject.h:524
#9  qtiffUnmapProc (fd=<optimized out>, base=0x7fe61a400000) at /usr/src/debug/qt5-imageformats/qtimageformats/src/plugins/imageformats/tiff/qtiffhandler.cpp:121
#10 0x00007fe7957757e2 in TIFFCleanup (tif=0x556c3d0d5460) at /usr/src/debug/libtiff/tiff-4.5.0/libtiff/tif_close.c:72
#11 0x00007fe79577592e in TIFFClose (tif=<optimized out>) at /usr/src/debug/libtiff/tiff-4.5.0/libtiff/tif_close.c:136
#12 0x00007fe7a3ed86ef in QTiffHandlerPrivate::close (this=0x556c3cfb4b90) at /usr/src/debug/qt5-imageformats/qtimageformats/src/plugins/imageformats/tiff/qtiffhandler.cpp:219
#13 QTiffHandlerPrivate::~QTiffHandlerPrivate (this=<optimized out>, this=<optimized out>) at /usr/src/debug/qt5-imageformats/qtimageformats/src/plugins/imageformats/tiff/qtiffhandler.cpp:213
#14 QScopedPointerDeleter<QTiffHandlerPrivate>::cleanup (pointer=0x556c3cfb4b90) at /usr/include/qt/QtCore/qscopedpointer.h:60
#15 QScopedPointer<QTiffHandlerPrivate, QScopedPointerDeleter<QTiffHandlerPrivate> >::~QScopedPointer (this=<optimized out>, this=<optimized out>) at /usr/include/qt/QtCore/qscopedpointer.h:107
#16 QTiffHandler::~QTiffHandler (this=<optimized out>, this=<optimized out>) at /usr/src/debug/qt5-imageformats/qtimageformats/src/plugins/imageformats/tiff/qtiffhandler_p.h:49
#17 QTiffHandler::~QTiffHandler (this=<optimized out>, this=<optimized out>) at /usr/src/debug/qt5-imageformats/qtimageformats/src/plugins/imageformats/tiff/qtiffhandler_p.h:49
#18 0x00007fe7b55ab3a2 in QImageReader::~QImageReader() () from /usr/lib/libQt5Gui.so.5
#19 0x00007fe798ac645e in ImageCreator::create (this=<optimized out>, path=..., img=...) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/imagecreator.cpp:86
#20 0x00007fe7b7c657ce in ThumbnailProtocol::createThumbnail (this=0x7ffef3d57310, thumbCreator=0x556c3d0bde80, filePath=..., width=128, height=128, thumbnail=...) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/thumbnail.cpp:843
#21 0x00007fe7b7c69504 in ThumbnailProtocol::createSubThumbnail (this=this@entry=0x7ffef3d57310, thumbnail=..., filePath=..., segmentWidth=segmentWidth@entry=108, segmentHeight=segmentHeight@entry=68) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/thumbnail.cpp:769
#22 0x00007fe7b7c6a5d1 in ThumbnailProtocol::thumbForDirectory (this=this@entry=0x7ffef3d57310, directory=...) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/thumbnail.cpp:529
#23 0x00007fe7b7c6bbba in ThumbnailProtocol::get (this=0x7ffef3d57310, url=...) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/thumbnail.cpp:222
#24 0x00007fe7b7b32a24 in KIO::WorkerSlaveBaseBridge::get (this=0x556c3cf19730, url=...) at /usr/src/debug/kio/kio-5.102.0/src/core/workerbase_p.h:71
#25 0x00007fe7b7b2f0f6 in KIO::SlaveBase::dispatch (this=0x556c3cf19730, command=67, data=...) at /usr/src/debug/kio/kio-5.102.0/src/core/slavebase.cpp:1257
#26 0x00007fe7b7b274ce in KIO::SlaveBase::dispatchLoop (this=0x556c3cf19730) at /usr/src/debug/kio/kio-5.102.0/src/core/slavebase.cpp:342
#27 0x00007fe7b7c672a2 in kdemain (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kio-extras/kio-extras-22.12.1/thumbnail/thumbnail.cpp:121
#28 0x0000556c3bd73207 in main (argc=5, argv=0x7ffef3d57f68) at /usr/src/debug/kio/kio-5.102.0/src/kioslave/kioslave.cpp:152
[Inferior 1 (process 19220) detached]

How do I fix this? Is it a bug?

[Edit]

Relevant Bug Report @ KDE