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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index db3d382a1f..912af297f5 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -7,6 +7,9 @@
#include "../../../include/fpdfapi/fpdf_parser.h"
#include "../../../include/fxcrt/fx_string.h"
+//static
+int CPDF_Object::s_nCurRefDepth = 0;
+
void CPDF_Object::Release()
{
if (m_ObjNum) {
@@ -107,6 +110,10 @@ FX_FLOAT CPDF_Object::GetNumber16() const
}
int CPDF_Object::GetInteger() const
{
+ CFX_AutoRestorer<int> restorer(&s_nCurRefDepth);
+ if (++s_nCurRefDepth > OBJECT_REF_MAX_DEPTH) {
+ return 0;
+ }
switch (m_Type) {
case PDFOBJ_BOOLEAN:
return ((CPDF_Boolean*)this)->m_bValue;