From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 21 Dec 2017 11:16:30 +0000 (-0500)
Subject: https://github.com/ImageMagick/ImageMagick/issues/906
X-Git-Tag: 7.0.7-16~53
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=72b3994a948a8a90dc664f3e7f72464878a31fbf;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/906
---

diff --git a/coders/png.c b/coders/png.c
index 3b6b186bc..e36b3cadf 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -5882,7 +5882,7 @@ static Image *ReadOneMNGImage(MngInfo* mng_info, const ImageInfo *image_info,
 
                 p++; /* framing mode */
 
-                while (*p && ((p-chunk) < (ssize_t) length))
+                while (*p && ((p-chunk) < (ssize_t) length-1))
                   p++;  /* frame name */
 
                 p++;  /* frame name terminator */