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GraphicsMagick.12841
GraphicsMagick-CVE-2019-19953.patch
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File GraphicsMagick-CVE-2019-19953.patch of Package GraphicsMagick.12841
Index: GraphicsMagick-1.3.29/coders/pict.c =================================================================== --- GraphicsMagick-1.3.29.orig/coders/pict.c 2020-01-08 09:40:23.858319142 +0100 +++ GraphicsMagick-1.3.29/coders/pict.c 2020-01-08 09:41:13.234588841 +0100 @@ -692,7 +692,7 @@ static unsigned char *DecodeImage(const % */ static size_t EncodeImage(Image *image,const unsigned char *scanline, - const unsigned long bytes_per_line,unsigned char *pixels) + const size_t bytes_per_line,unsigned char *pixels) { #define MaxCount 128U #define MaxPackbitsRunlength 128 @@ -1785,6 +1785,8 @@ static unsigned int WritePICTImage(const bytes_per_line=image->columns; if (storage_class == DirectClass) bytes_per_line*=image->matte ? 4 : 3; + if ((bytes_per_line ==0) || (bytes_per_line > 0x7FFF)) + ThrowPICTWriterException(CoderError,ImageColumnOrRowSizeIsNotSupported,image); buffer=MagickAllocateMemory(unsigned char *,PictInfoSize); packed_scanline=MagickAllocateMemory(unsigned char *,row_bytes+MaxCount); scanline=MagickAllocateMemory(unsigned char *,row_bytes);
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