diff options
Diffstat (limited to 'poppler/JBIG2Stream.cc')
| -rw-r--r-- | poppler/JBIG2Stream.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc index 33241436..e2f8ec07 100644 --- a/poppler/JBIG2Stream.cc +++ b/poppler/JBIG2Stream.cc @@ -15,7 +15,7 @@ // // Copyright (C) 2006 Raj Kumar <rkumar@archive.org> // Copyright (C) 2006 Paul Walmsley <paul@booyaka.com> -// Copyright (C) 2006-2010, 2012 Albert Astals Cid <aacid@kde.org> +// Copyright (C) 2006-2010, 2012, 2014 Albert Astals Cid <aacid@kde.org> // Copyright (C) 2009 David Benjamin <davidben@mit.edu> // Copyright (C) 2011 Edward Jiang <ejiang@google.com> // Copyright (C) 2012 William Bader <williambader@hotmail.com> @@ -3499,8 +3499,9 @@ JBIG2Bitmap *JBIG2Stream::readGenericBitmap(GBool mmr, int w, int h, if (atx[0] >= -8 && atx[0] <= 8) { // set up the adaptive context - if (y + aty[0] >= 0) { - atP0 = bitmap->getDataPtr() + (y + aty[0]) * bitmap->getLineSize(); + const int atY = y + aty[0]; + if ((atY >= 0) && (atY < bitmap->getHeight())) { + atP0 = bitmap->getDataPtr() + atY * bitmap->getLineSize(); atBuf0 = *atP0++ << 8; } else { atP0 = NULL; |