From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 9 Apr 2018 23:33:33 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7508
X-Git-Tag: 7.0.7-29~152
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4c52a8adc4d9a0f03d501021b3f751f5f02fe62e;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7508
---

diff --git a/coders/heic.c b/coders/heic.c
index df48726ce..19c0fbdb4 100644
--- a/coders/heic.c
+++ b/coders/heic.c
@@ -336,6 +336,8 @@ static MagickBooleanType ParseHvcCAtom(HEICItemProp *prop, ExceptionInfo *except
   p = prop->data;
 
   size = prop->size;
+  if (size >= MAX_HVCC_ATOM_SIZE)
+    ThrowAndReturn("hvcC atom is too long");
   memcpy(buffer, prop->data, size);
 
   pos = 22;