From 5e5fb5ea6dcd60a7a14bc5b2b7585c72855a922c Mon Sep 17 00:00:00 2001
From: "Elena.Subbotina" <Elena.Subbotina@onlyoffice.com>
Date: Sat, 22 Jul 2023 19:16:59 +0300
Subject: [PATCH] fix bug #63443

---
 OfficeCryptReader/source/ECMACryptFile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OfficeCryptReader/source/ECMACryptFile.cpp b/OfficeCryptReader/source/ECMACryptFile.cpp
index 8f5384d171..60a6e430eb 100644
--- a/OfficeCryptReader/source/ECMACryptFile.cpp
+++ b/OfficeCryptReader/source/ECMACryptFile.cpp
@@ -1095,7 +1095,7 @@ bool ECMACryptFile::DecryptOfficeFile(const std::wstring &file_name_inp, const s
 		{
 			NSFile::CFileBinary f;
             f.CreateFileW(file_name_out);
-			f.WriteFile(data_out, lengthData);
+			f.WriteFile(data_out, (std::min)((int)lengthData, readData));
 			f.CloseFile();
 
 			delete []data_out;