File ImageMagick-CVE-2018-5247.patch of Package ImageMagick.6416

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File ImageMagick-CVE-2018-5247.patch of Package ImageMagick.6416

Index: ImageMagick-6.8.8-1/coders/rla.c
===================================================================
--- ImageMagick-6.8.8-1.orig/coders/rla.c	2013-12-01 15:47:50.000000000 +0100
+++ ImageMagick-6.8.8-1/coders/rla.c	2018-01-09 10:45:04.238489498 +0100
@@ -278,7 +278,10 @@ static Image *ReadRLAImage(const ImageIn
   {
     offset=SeekBlob(image,scanlines[image->rows-y-1],SEEK_SET);
     if (offset < 0)
-      ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+      {
+        scanlines=(MagickOffsetType *) RelinquishMagickMemory(scanlines);
+        ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+      }
     for (channel=0; channel < (int) rla_info.number_channels; channel++)
     {
       length=(int) ReadBlobMSBShort(image);
@@ -378,6 +381,7 @@ static Image *ReadRLAImage(const ImageIn
     if (status == MagickFalse)
       break;
   }
+  scanlines=(MagickOffsetType *) RelinquishMagickMemory(scanlines);
   if (EOFBlob(image) != MagickFalse)
     ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
       image->filename);

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File ImageMagick-CVE-2018-5247.patch of Package ImageMagick.6416

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