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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 862852e7b7..5a7837dc71 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1043,7 +1043,11 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE pos, FX_FILESIZE& prev, FX_BOOL
CPDF_Object* pCountObj = pArray->GetElement(i * 2 + 1);
if (pStartNumObj && pStartNumObj->GetType() == PDFOBJ_NUMBER
&& pCountObj && pCountObj->GetType() == PDFOBJ_NUMBER) {
- arrIndex.push_back(std::make_pair(pStartNumObj->GetInteger(), pCountObj->GetInteger()));
+ int nStartNum = pStartNumObj->GetInteger();
+ int nCount = pCountObj->GetInteger();
+ if (nStartNum >= 0 && nCount > 0) {
+ arrIndex.push_back(std::make_pair(nStartNum, nCount));
+ }
}
}
}