From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 1 Jul 2018 11:27:00 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9209
X-Git-Tag: 7.0.8-4~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=29a97ee49ac5269ce55f483da7f4345f51aac885;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9209
---

diff --git a/coders/dcm.c b/coders/dcm.c
index fa5b99bd6..cd0133278 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -3934,6 +3934,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
         length=(size_t) (GetQuantumRange(info.depth)+1);
         if (length > (size_t) GetBlobSize(image))
           ThrowDCMException(CorruptImageError,"InsufficientImageDataInFile");
+        if (info.scale != (Quantum *) NULL) 
+          info.scale=(Quantum *) RelinquishMagickMemory(info.scale);
         info.scale=(Quantum *) AcquireQuantumMemory(MagickMax(length,256),
           sizeof(*info.scale));
         if (info.scale == (Quantum *) NULL)