From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Tue, 16 Jan 2018 21:56:28 +0000 (+0100)
Subject: Added call to ResetMagickMemory to avoid use of uninitialized value.
X-Git-Tag: 7.0.7-22~47
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cdac7d29dc2fd33d743bf033618acd118fea0aa9;p=imagemagick

Added call to ResetMagickMemory to avoid use of uninitialized value.
Credit to OSS-Fuzz
---

diff --git a/coders/cin.c b/coders/cin.c
index b99e49c9b..7b1a178e5 100644
--- a/coders/cin.c
+++ b/coders/cin.c
@@ -447,6 +447,7 @@ static Image *ReadCINImage(const ImageInfo *image_info,ExceptionInfo *exception)
   if ((count != 4) ||
       ((LocaleNCompare((char *) magick,"\200\052\137\327",4) != 0)))
     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+  ResetMagickMemory(&cin,0,sizeof(cin));
   image->endian=(magick[0] == 0x80) && (magick[1] == 0x2a) &&
     (magick[2] == 0x5f) && (magick[3] == 0xd7) ? MSBEndian : LSBEndian;
   cin.file.image_offset=ReadBlobLong(image);