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ImageMagick.8768
ImageMagick-CVE-2017-12693.patch
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File ImageMagick-CVE-2017-12693.patch of Package ImageMagick.8768
--- a/coders/bmp.c +++ b/coders/bmp.c @@ -952,6 +952,8 @@ static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception) bmp_info.bits_per_pixel<<=1; bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32); length=(size_t) bytes_per_line*image->rows; + if (length > GetBlobSize(image)) + ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); pixel_info=AcquireVirtualMemory((size_t) image->rows, MagickMax(bytes_per_line,image->columns+256UL)*sizeof(*pixels)); if (pixel_info == (MemoryInfo *) NULL)
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