From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 18 Nov 2017 14:06:44 +0000 (-0500)
Subject: https://github.com/ImageMagick/ImageMagick/issues/868
X-Git-Tag: 7.0.7-12~74
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1cbaa9f61214d0695870cf9e85b5a859b76da9bc;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/868
---

diff --git a/coders/pcx.c b/coders/pcx.c
index 22edbce16..888054940 100644
--- a/coders/pcx.c
+++ b/coders/pcx.c
@@ -399,6 +399,8 @@ static Image *ReadPCXImage(const ImageInfo *image_info,ExceptionInfo *exception)
     pcx_packets=(size_t) image->rows*pcx_info.bytes_per_line;
     if (HeapOverflowSanityCheck(pcx_packets, (size_t) pcx_info.planes) != MagickFalse)
       ThrowPCXException(CorruptImageError,"ImproperImageHeader");
+    if ((pcx_packets/8) > GetBlobSize(image))
+      ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
     pcx_packets=(size_t) pcx_packets*pcx_info.planes;
     if ((size_t) (pcx_info.bits_per_pixel*pcx_info.planes*image->columns) >
         (pcx_packets*8U))