From: Cristy <mikayla-grace@urban-warrior.org>
Date: Mon, 29 Apr 2019 11:57:09 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/1561
X-Git-Tag: 7.0.8-43~11
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d17c047f7bff7c0edbf304470cd2ab9d02fbf617;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/1561
---

diff --git a/coders/png.c b/coders/png.c
index 84b95c234..077cc845b 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -8180,8 +8180,11 @@ Magick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping,
    unsigned char
      hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
 
-   if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0)
-      return;
+   if (length > 1)
+     {
+       if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0)
+          return;
+     }
 
    if (image_info->verbose)
      {