From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Tue, 30 Jan 2018 06:16:47 +0000 (+0100)
Subject: Fixed memory leak reported in #964
X-Git-Tag: 7.0.7-23~212
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1fbed78912c830ccd82eecdb8a1db4882abb8276;p=imagemagick

Fixed memory leak reported in #964
---

diff --git a/coders/dcm.c b/coders/dcm.c
index 5f9cb02c7..2e339fc9b 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -3580,6 +3580,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
               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)
@@ -3608,6 +3610,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
               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)
@@ -3636,6 +3640,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
               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)