From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 11 Dec 2018 01:00:25 +0000 (-0500)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11799
X-Git-Tag: 7.0.8-17~31
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=75db19882ea8b1801e439e6e9d19b3042a82de4c;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11799
---

diff --git a/MagickCore/utility.c b/MagickCore/utility.c
index 75d36558c..0e3c008f1 100644
--- a/MagickCore/utility.c
+++ b/MagickCore/utility.c
@@ -1363,7 +1363,8 @@ MagickExport void GetPathComponent(const char *path,PathType type,
     case SubimagePath:
     {
       *component='\0';
-      if (subimage_length != 0)
+      if ((subimage_length != 0) &&
+          (magick_length+subimage_offset) < strlen(path))
         (void) CopyMagickString(component,path+magick_length+subimage_offset,
           subimage_length);
       break;