From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 29 Nov 2018 16:59:00 +0000 (-0500)
Subject: https://github.com/ImageMagick/ImageMagick/issues/1377
X-Git-Tag: 7.0.8-15~18
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f648e7f07d14bd911f31d67264120dbfc6f0f350;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/1377
---

diff --git a/coders/pcx.c b/coders/pcx.c
index c6656515e..4d71e161b 100644
--- a/coders/pcx.c
+++ b/coders/pcx.c
@@ -408,7 +408,7 @@ static Image *ReadPCXImage(const ImageInfo *image_info,ExceptionInfo *exception)
     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))
       ThrowPCXException(CorruptImageError,"ImproperImageHeader");
-    if ((MagickSizeType) (pcx_packets/13) > GetBlobSize(image))
+    if ((MagickSizeType) (pcx_packets/32+128) > GetBlobSize(image))
       ThrowPCXException(CorruptImageError,"ImproperImageHeader");
     scanline=(unsigned char *) AcquireQuantumMemory(MagickMax(image->columns,
       pcx_info.bytes_per_line),MagickMax(pcx_info.planes,8)*sizeof(*scanline));