From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sat, 20 Jan 2018 22:29:11 +0000 (+0100)
Subject: Corrected check and error message.
X-Git-Tag: 7.0.7-22~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3c8e8dbc5f8f617fa902cffaa90368beb96fd8a4;p=imagemagick

Corrected check and error message.
Credit to OSS-Fuzz
---

diff --git a/coders/pes.c b/coders/pes.c
index cc488128a..0a6031d94 100644
--- a/coders/pes.c
+++ b/coders/pes.c
@@ -547,10 +547,10 @@ static Image *ReadPESImage(const ImageInfo *image_info,ExceptionInfo *exception)
         */
         j++;
         blocks[j].offset=(ssize_t) i;
-        if (j >= 256)
+        if (j >= 255)
           {
             stitches=(PointInfo *) RelinquishMagickMemory(stitches);
-            ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
+            ThrowReaderException(ResourceLimitError,"CorruptImage");
           }
         (void) ReadBlobByte(image);
         continue;