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ImageMagick.8951
ImageMagick-CVE-2018-6405,11656.patch
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File ImageMagick-CVE-2018-6405,11656.patch of Package ImageMagick.8951
Index: ImageMagick-6.8.8-1/coders/dcm.c =================================================================== --- ImageMagick-6.8.8-1.orig/coders/dcm.c 2018-02-12 16:39:08.258533586 +0100 +++ ImageMagick-6.8.8-1/coders/dcm.c 2018-02-12 16:39:08.266533719 +0100 @@ -2800,6 +2800,14 @@ static Image *ReadDCMImage(const ImageIn { \ if (data != (unsigned char *) NULL) \ data=(unsigned char *) RelinquishMagickMemory(data); \ + if (graymap != (int *) NULL) \ + graymap=(int *) RelinquishMagickMemory(graymap); \ + if (bluemap != (int *) NULL) \ + bluemap=(int *) RelinquishMagickMemory(bluemap); \ + if (greenmap != (int *) NULL) \ + greenmap=(int *) RelinquishMagickMemory(greenmap); \ + if (redmap != (int *) NULL) \ + redmap=(int *) RelinquishMagickMemory(redmap); \ if (stream_info != (DCMStreamInfo *) NULL) \ stream_info=(DCMStreamInfo *) RelinquishMagickMemory(stream_info); \ ThrowReaderException((exception),(message)); \ @@ -2902,7 +2910,11 @@ static Image *ReadDCMImage(const ImageIn Read DCM preamble. */ data=(unsigned char *) NULL; - stream_info=(DCMStreamInfo *) AcquireMagickMemory(sizeof(*stream_info)); + redmap=(int *) NULL; + greenmap=(int *) NULL; + bluemap=(int *) NULL; + graymap=(int *) NULL; + stream_info=(DCMStreamInfo *) AcquireMagickMemory(sizeof(*stream_info)); if (stream_info == (DCMStreamInfo *) NULL) ThrowDCMReaderException(ResourceLimitError,"MemoryAllocationFailed"); (void) ResetMagickMemory(stream_info,0,sizeof(*stream_info)); @@ -2929,10 +2941,6 @@ static Image *ReadDCMImage(const ImageIn explicit_vr[2]='\0'; explicit_file=MagickFalse; colors=0; - redmap=(int *) NULL; - greenmap=(int *) NULL; - bluemap=(int *) NULL; - graymap=(int *) NULL; height=0; max_value=255UL; mask=0xffff; @@ -3320,6 +3328,8 @@ static Image *ReadDCMImage(const ImageIn break; colors=(size_t) (length/bytes_per_pixel); datum=(int) colors; + if (graymap != (int *) NULL) + graymap=(int *) RelinquishMagickMemory(graymap); graymap=(int *) AcquireQuantumMemory((size_t) colors, sizeof(*graymap)); if (graymap == (int *) NULL) @@ -3344,6 +3354,8 @@ static Image *ReadDCMImage(const ImageIn break; colors=(size_t) (length/2); datum=(int) colors; + if (redmap != (int *) NULL) + redmap=(int *) RelinquishMagickMemory(redmap); redmap=(int *) AcquireQuantumMemory((size_t) colors, sizeof(*redmap)); if (redmap == (int *) NULL) @@ -3373,6 +3385,8 @@ static Image *ReadDCMImage(const ImageIn break; colors=(size_t) (length/2); datum=(int) colors; + if (greenmap != (int *) NULL) + greenmap=(int *) RelinquishMagickMemory(greenmap); greenmap=(int *) AcquireQuantumMemory((size_t) colors, sizeof(*greenmap)); if (greenmap == (int *) NULL) @@ -3402,6 +3416,8 @@ static Image *ReadDCMImage(const ImageIn break; colors=(size_t) (length/2); datum=(int) colors; + if (bluemap != (int *) NULL) + bluemap=(int *) RelinquishMagickMemory(bluemap); bluemap=(int *) AcquireQuantumMemory((size_t) colors, sizeof(*bluemap)); if (bluemap == (int *) NULL)
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