From ca70de93a45b724268c5ca4bedddddc4fd20b276 Mon Sep 17 00:00:00 2001
From: Viktor Andreev <viktor.andreev@onlyoffice.com>
Date: Mon, 28 Oct 2024 15:09:37 +0600
Subject: [PATCH] Removed memory leak

---
 Common/OfficeFileFormatChecker2.cpp | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/Common/OfficeFileFormatChecker2.cpp b/Common/OfficeFileFormatChecker2.cpp
index ec8a16a627..e6a3b0331c 100644
--- a/Common/OfficeFileFormatChecker2.cpp
+++ b/Common/OfficeFileFormatChecker2.cpp
@@ -740,13 +740,33 @@ bool COfficeFileFormatChecker::isOfficeFile(const std::wstring &_fileName)
 	if (OfficeUtils.IsArchive(fileName) == S_OK && (false == isPdfFormatFile(bufferDetect, dwDetectdBytes, sDocumentID)))
 	{
 		if (isOOXFormatFile(fileName))
+        {
+            if (bufferDetect)
+                delete[] bufferDetect;
+            bufferDetect = NULL;
 			return true;
+        }
 		else if (isOpenOfficeFormatFile(fileName, sDocumentID))
-			return true;
+        {
+            if (bufferDetect)
+                delete[] bufferDetect;
+            bufferDetect = NULL;
+            return true;
+        }
 		else if (isOnlyOfficeFormatFile(fileName))
-			return true;
+        {
+            if (bufferDetect)
+                delete[] bufferDetect;
+            bufferDetect = NULL;
+            return true;
+        }
 		else if (isXpsFile(fileName))
-			return true;
+        {
+            if (bufferDetect)
+                delete[] bufferDetect;
+            bufferDetect = NULL;
+            return true;
+        }
 	}
 
 	//-----------------------------------------------------------------------------------------------