[M57] Limit parsing recursion levels in CPDF_StreamParser

core/fpdfapi/page/cpdf_streamcontentparser.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/page/cpdf_streamcontentparser.h"
 
 #include <memory>
 #include <utility>
@@ skipping 626 matching lines @@
       if (bsKeyword != "ID") {
         m_pSyntax->SetPos(savePos);
         return;
       }
     }
     if (type != CPDF_StreamParser::Name) {
       break;
     }
     CFX_ByteString key((const FX_CHAR*)m_pSyntax->GetWordBuf() + 1,
                        m_pSyntax->GetWordSize() - 1);
-    auto pObj = m_pSyntax->ReadNextObject(false, 0);
+    auto pObj = m_pSyntax->ReadNextObject(false, false, 0);
     if (!key.IsEmpty()) {
       uint32_t dwObjNum = pObj ? pObj->GetObjNum() : 0;
       if (dwObjNum)
         pDict->SetNewFor<CPDF_Reference>(key, m_pDocument, dwObjNum);
       else
         pDict->SetFor(key, std::move(pObj));
     }
   }
   ReplaceAbbr(pDict.get());
   CPDF_Object* pCSObj = nullptr;
@@ skipping 1001 matching lines @@
     if (!bProcessed) {
       m_pSyntax->SetPos(last_pos);
       return;
     }
   }
 }
 
 CPDF_StreamContentParser::ContentParam::ContentParam() {}
 
 CPDF_StreamContentParser::ContentParam::~ContentParam() {}