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GraphicsMagick.9821
GraphicsMagick-CVE-2018-20189.patch
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File GraphicsMagick-CVE-2018-20189.patch of Package GraphicsMagick.9821
--- a/coders/dib.c Sun Dec 16 09:51:58 2018 -0600 +++ b/coders/dib.c Sun Dec 16 18:24:04 2018 -0600 @@ -646,9 +646,11 @@ ThrowReaderException(CorruptImageError,ImproperImageHeader,image); if (dib_info.colors_important > 256) ThrowReaderException(CorruptImageError,ImproperImageHeader,image); + if ((dib_info.number_colors != 0) && (dib_info.bits_per_pixel > 8)) + ThrowReaderException(CorruptImageError,ImproperImageHeader,image); if ((dib_info.image_size != 0U) && (dib_info.image_size > file_size)) ThrowReaderException(CorruptImageError,UnexpectedEndOfFile,image); - if ((dib_info.number_colors != 0) || (dib_info.bits_per_pixel < 16)) + if ((dib_info.number_colors != 0) || (dib_info.bits_per_pixel <= 8)) { image->storage_class=PseudoClass; image->colors=dib_info.number_colors;
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