unable to read 8BIMTEXT profiles

imagemagick 6.3.3-5 isn't able to read 8BIMTEXT (Photoshop)
profiles on 
linux (fc6.i386)
6.3.3-5 Q8 on windows works,
ImageMagick-6.3.2.9-2.fc7.i386 (fedora development) on fc6
works too.

# convert test.8bim IPTCTEXT:-
convert: magick/string.c:773: DestroyString: Assertion
`string != (char 
*) ((void *)0)' failed.
#

where test.8bim contains e.g.:

8BIM#1028="IPTC"
2#0="�"
2#120#Caption="Caption"
2#122#Caption Writer="Caption Writer"
2#80#Byline="Byline"
2#5#Image Name="Image Name"
2#25#Keyword="Keyword1"
2#25#Keyword="Keyword2"
2#116#Copyright String="Copyright String"
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