PDFDoc::setup: Fail early if base stream length is 0
Bug #103552
diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index 8fca202..8aefc0b 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -14,7 +14,7 @@
// under GPL version 2 or later
//
// Copyright (C) 2005, 2006, 2008 Brad Hards <bradh@frogmouth.net>
-// Copyright (C) 2005, 2007-2009, 2011-2017 Albert Astals Cid <aacid@kde.org>
+// Copyright (C) 2005, 2007-2009, 2011-2018 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2008 Julien Rebetez <julienr@svn.gnome.org>
// Copyright (C) 2008, 2010 Pino Toscano <pino@kde.org>
// Copyright (C) 2008, 2010, 2011 Carlos Garcia Campos <carlosgc@gnome.org>
@@ -251,6 +251,13 @@
GBool PDFDoc::setup(GooString *ownerPassword, GooString *userPassword) {
pdfdocLocker();
+
+ if (str->getLength() <= 0)
+ {
+ error(errSyntaxError, -1, "Document stream is empty");
+ return gFalse;
+ }
+
str->setPos(0, -1);
if (str->getPos() < 0)
{
