From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 4 Jan 2018 14:12:29 +0000 (-0500)
Subject: https://github.com/ImageMagick/ImageMagick/issues/927
X-Git-Tag: 7.0.7-20~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0272305f91763b5ce119a2c7a0e0084d8241a58d;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/927
---

diff --git a/coders/sixel.c b/coders/sixel.c
index ee146fb1e..c54074ae2 100644
--- a/coders/sixel.c
+++ b/coders/sixel.c
@@ -999,7 +999,7 @@ static Image *ReadSIXELImage(const ImageInfo *image_info,ExceptionInfo *exceptio
     Read SIXEL file.
   */
   length=MagickPathExtent;
-  sixel_buffer=(char *) AcquireQuantumMemory((size_t) length,
+  sixel_buffer=(char *) AcquireQuantumMemory((size_t) length+MagickPathExtent,
     sizeof(*sixel_buffer));
   p=sixel_buffer;
   if (sixel_buffer != (char *) NULL)
@@ -1021,6 +1021,7 @@ static Image *ReadSIXELImage(const ImageInfo *image_info,ExceptionInfo *exceptio
     }
   if (sixel_buffer == (char *) NULL)
     ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+  sixel_buffer[length]='\0';
   /*
     Decode SIXEL
   */