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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index b1dfc73af7..e0cb8277d7 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -3833,6 +3833,9 @@ FX_BOOL CPDF_DataAvail::CheckTrailer(IFX_DownloadHints* pHints)
CFX_SmartPointer<IFX_FileStream> file(FX_CreateMemoryStream(pBuf, (size_t)iSize, FALSE));
m_syntaxParser.InitParser((IFX_FileStream*)file, 0);
CPDF_Object *pTrailer = m_syntaxParser.GetObject(NULL, 0, 0, 0);
+ if (pTrailer->GetType() != PDFOBJ_DICTIONARY) {
+ return FALSE;
+ }
if (!pTrailer) {
m_Pos += m_syntaxParser.SavePos();
pHints->AddSegment(m_Pos, iTrailerSize);