From: Dirk Lemstra <dirk@lemstra.org>
Date: Tue, 16 Jul 2019 19:31:03 +0000 (+0200)
Subject: Enlarge buffer to make it possible to read odd extent.
X-Git-Tag: 7.0.8-54~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=73dd03cfb57f8f8c0a732fa062b9966ec7bf2f91;p=imagemagick

Enlarge buffer to make it possible to read odd extent.
---

diff --git a/coders/ps.c b/coders/ps.c
index 9fc8b4afe..7b22a5146 100644
--- a/coders/ps.c
+++ b/coders/ps.c
@@ -415,9 +415,10 @@ static void ReadPSInfo(const ImageInfo *image_info,Image *image,
           continue;
         if ((MagickSizeType) extent > GetBlobSize(image))
           continue;
-        ps_info->photoshop_profile=AcquireStringInfo((size_t) extent);
+        length=(size_t) extent;
+        ps_info->photoshop_profile=AcquireStringInfo(length+1U);
         q=GetStringInfoDatum(ps_info->photoshop_profile);
-        while (extent > 1)
+        while (extent > 0)
         {
           c=ProfileInteger(&buffer,hex_digits);
           if (c == EOF)
@@ -425,6 +426,7 @@ static void ReadPSInfo(const ImageInfo *image_info,Image *image,
           *q++=(unsigned char) c;
           extent-=2;
         }
+        SetStringInfoLength(ps_info->icc_profile,length);
         continue;
       }
     if (image_info->page != (char *) NULL)