diff --git a/cmake/version.cmake b/cmake/version.cmake
index b0c6080..e85f078 100644
--- a/cmake/version.cmake
+++ b/cmake/version.cmake
@@ -4,7 +4,7 @@
 
 set (TK_UTIL_MAJOR_VERSION "6")
 set (TK_UTIL_MINOR_VERSION "14")
-set (TK_UTIL_RELEASE_VERSION "0")
+set (TK_UTIL_RELEASE_VERSION "1")
 set (TK_UTIL_VERSION ${TK_UTIL_MAJOR_VERSION}.${TK_UTIL_MINOR_VERSION}.${TK_UTIL_RELEASE_VERSION})
 
 set (TK_UTIL_SCRIPTING_MAJOR_VERSION ${TK_UTIL_MAJOR_VERSION})
diff --git a/src/TkUtil/UnicodeString.cpp b/src/TkUtil/UnicodeString.cpp
index 58abd8c..61518b0 100644
--- a/src/TkUtil/UnicodeString.cpp
+++ b/src/TkUtil/UnicodeString.cpp
@@ -419,8 +419,7 @@ bool UnicodeString::operator == (const UnicodeString& toCompare) const
 	if (length ( ) != toCompare.length ( ))
 		return false;
 
-	return 0 == memcmp (unicode ( ), toCompare.unicode ( ), 
-	                    length ( ) * sizeof (WChar_t));
+	return 0 == memcmp (unicode ( ), toCompare.unicode ( ), length ( ) * sizeof (WChar_t));
 }	// UnicodeString::operator ==
 
 
@@ -889,7 +888,8 @@ void UnicodeString::copy (const UnicodeString& str)
 	_length	= str.length ( );
 	_string	= new WChar_t [_length + 1];
 	CHECK_NULL_PTR_ERROR (_string)
-	memcpy (_string, str.unicode ( ), _length * sizeof (WChar_t));
+	if (0 != unicode ( ))	// v 6.14.1
+		memcpy (_string, str.unicode ( ), _length * sizeof (WChar_t));
 	_string [_length]	= 0;
 }	// UnicodeString::copy
 
@@ -903,7 +903,8 @@ void UnicodeString::copy (const WChar_t* str)
 	_length	= stringLength (str);
 	_string	= new WChar_t [_length + 1];
 	CHECK_NULL_PTR_ERROR (_string)
-	memcpy (_string, str, _length * sizeof (WChar_t));
+	if (0 != unicode ( ))	// v 6.14.1
+		memcpy (_string, str, _length * sizeof (WChar_t));
 	_string [_length]	= 0;
 }	// UnicodeString::copy
 
@@ -942,9 +943,10 @@ UnicodeString operator + (const UnicodeString& us1, const UnicodeString& us2)
 	const size_t	length	= us1.length ( ) + us2.length ( );
 	WChar_t*		str		= new WChar_t [length + 1];
 	CHECK_NULL_PTR_ERROR (str)
-	memcpy (str, us1.unicode ( ), us1.length ( ) * sizeof (WChar_t));
-	memcpy (str + us1.length ( ), us2.unicode ( ), 
-	        us2.length ( ) * sizeof (WChar_t));
+	if (0 != us1.unicode ( ))	// v 6.14.1
+		memcpy (str, us1.unicode ( ), us1.length ( ) * sizeof (WChar_t));
+	if (0 != us2.unicode ( ))	// v 6.14.1
+		memcpy (str + us1.length ( ), us2.unicode ( ), us2.length ( ) * sizeof (WChar_t));
 	str [length]	= 0;
 
 	UnicodeString	us (str);
diff --git a/versions.txt b/versions.txt
index 223275b..87ab3d7 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,3 +1,9 @@
+Version 6.14.1 : 20/02/26
+=================
+
+Correctif UnicodeString, appels à memcpy, mis en évidence par GNU et LLVM sanitizer lorsque la chaîne est nulle.
+
+
 Version 6.14.0 : 07/11/25
 =================