From 1d56cee9c433854661a0c62765a9f1b0e51efd36 Mon Sep 17 00:00:00 2001
From: anisite <infologique@gmail.com>
Date: Sat, 27 Apr 2024 13:37:19 -0400
Subject: [PATCH] Update PdfReader.cs

---
 src/iTextSharp.LGPLv2.Core/iTextSharp/text/pdf/PdfReader.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/iTextSharp.LGPLv2.Core/iTextSharp/text/pdf/PdfReader.cs b/src/iTextSharp.LGPLv2.Core/iTextSharp/text/pdf/PdfReader.cs
index c0483df..531cb4b 100644
--- a/src/iTextSharp.LGPLv2.Core/iTextSharp/text/pdf/PdfReader.cs
+++ b/src/iTextSharp.LGPLv2.Core/iTextSharp/text/pdf/PdfReader.cs
@@ -594,6 +594,9 @@ public bool Tampered
     public void Dispose()
     {
         Close();
+
+        // Ensure large pdf cleaned up before continuing
+        _xrefObj.Clear();
     }
 
     /// <summary>
@@ -5216,4 +5219,4 @@ private void pushPageAttributes(PdfDictionary nodePages)
             _pageInh.Add(dic);
         }
     }
-}
\ No newline at end of file
+}