From: cristy <urban-warrior@git.imagemagick.org>
Date: Thu, 1 Sep 2011 13:50:43 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~7101
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a10e07483be74957a2b75f4ae0776bff433947a4;p=imagemagick

---

diff --git a/MagickCore/string.c b/MagickCore/string.c
index fc4dfc5a7..14bb3fd92 100644
--- a/MagickCore/string.c
+++ b/MagickCore/string.c
@@ -207,13 +207,15 @@ MagickExport StringInfo *BlobToStringInfo(const void *blob,const size_t length)
     *string_info;
 
   string_info=AcquireStringInfo(0);
-  string_info->datum=(unsigned char *) AcquireQuantumMemory(length,
-    sizeof(*string_info->datum));
+  if (~string_info->length >= (MaxTextExtent-1))
+    string_info->datum=(unsigned char *) AcquireQuantumMemory(length+
+      MaxTextExtent,sizeof(*string_info->datum));
   if (string_info->datum == (unsigned char *) NULL)
     {
       string_info=DestroyStringInfo(string_info);
       return((StringInfo *) NULL);
     }
+  string_info->length=length;
   if (blob != (const void *) NULL)
     (void) memcpy(string_info->datum,blob,length);
   return(string_info);