From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Tue, 2 May 2017 06:38:06 +0000 (+0200)
Subject: Fixed memory leak reported in #458.
X-Git-Tag: 7.0.5-6~31
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=53ff6cadfa2051296d3bd67c06a693043222c4d6;p=imagemagick

Fixed memory leak reported in #458.
---

diff --git a/coders/mpc.c b/coders/mpc.c
index 2b8e6ab92..8088da492 100644
--- a/coders/mpc.c
+++ b/coders/mpc.c
@@ -872,12 +872,16 @@ static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
             count=ReadBlob(image,packet_size*image->colors,colormap);
             if (count != (ssize_t) (packet_size*image->colors))
-              ThrowReaderException(CorruptImageError,
-                "InsufficientImageDataInFile");
+              {
+                colormap=(unsigned char *) RelinquishMagickMemory(colormap);
+                ThrowReaderException(CorruptImageError,
+                  "InsufficientImageDataInFile");
+              }
             p=colormap;
             switch (depth)
             {
               default:
+                colormap=(unsigned char *) RelinquishMagickMemory(colormap);
                 ThrowReaderException(CorruptImageError,
                   "ImageDepthNotSupported");
               case 8: