diff --git a/toonz/sources/colorfx/regionstyles.cpp b/toonz/sources/colorfx/regionstyles.cpp
index 2ba1944..fc33ff9 100644
--- a/toonz/sources/colorfx/regionstyles.cpp
+++ b/toonz/sources/colorfx/regionstyles.cpp
@@ -4447,7 +4447,7 @@ TMosaicFillStyle::TMosaicFillStyle(const TPixel32 &bgColor,
 								   const double maxThickness)
 	: TSolidColorStyle(bgColor), m_size(size), m_deform(deform), m_minThickness(minThickness), m_maxThickness(maxThickness)
 {
-	for (int i = 0; i < 5; i++)
+	for (int i = 0; i < 4; i++)
 		m_pointColor[i] = pointColor[i];
 }
 
diff --git a/toonz/sources/common/psdlib/psd.cpp b/toonz/sources/common/psdlib/psd.cpp
index 0407bc9..b778bae 100644
--- a/toonz/sources/common/psdlib/psd.cpp
+++ b/toonz/sources/common/psdlib/psd.cpp
@@ -562,16 +562,20 @@ void TPSDReader::readImageData(TRasterP &rasP, TPSDLayerInfo *li, TPSDChannelInf
 	if (!m_region.isEmpty()) {
 		x0 = m_region.getP00().x;
 		// se x0 è fuori dalle dimensioni dell'immagine ritorna un'immagine vuota
-		if (x0 >= m_headerInfo.cols)
+		if (x0 >= m_headerInfo.cols) {
+			free(rledata);
 			return;
+		}
 		x1 = x0 + m_region.getLx() - 1;
 		// controllo che x1 rimanga all'interno dell'immagine
 		if (x1 >= m_headerInfo.cols)
 			x1 = m_headerInfo.cols - 1;
 		y0 = m_region.getP00().y;
 		// se y0 è fuori dalle dimensioni dell'immagine ritorna un'immagine vuota
-		if (y0 >= m_headerInfo.rows)
+		if (y0 >= m_headerInfo.rows) {
+			free(rledata);
 			return;
+		}
 		y1 = y0 + m_region.getLy() - 1;
 		// controllo che y1 rimanga all'interno dell'immagine
 		if (y1 >= m_headerInfo.rows)
@@ -624,6 +628,7 @@ void TPSDReader::readImageData(TRasterP &rasP, TPSDLayerInfo *li, TPSDChannelInf
 	layerSaveBox *= imageRect;
 
 	if (layerSaveBox == TRect() || layerSaveBox.isEmpty()) {
+		free(rledata);
 		return;
 	}
 	// Estraggo da rasP solo il rettangolo che si interseca con il livello corrente
diff --git a/toonz/sources/common/tcore/tmathutil.cpp b/toonz/sources/common/tcore/tmathutil.cpp
index 4f15e6b..bf6e807 100644
--- a/toonz/sources/common/tcore/tmathutil.cpp
+++ b/toonz/sources/common/tcore/tmathutil.cpp
@@ -44,7 +44,7 @@ inline int getEl(int i, int j, int n)
 typedef struct
 	{
 	int ord;
-	double coef[MAX_ORDER];
+	double coef[MAX_ORDER + 1];
 } poly;
 
 //-------------------------------------------------------------------------
diff --git a/toonz/sources/common/tparam/tparamset.cpp b/toonz/sources/common/tparam/tparamset.cpp
index 7fcfd9c..b488040 100644
--- a/toonz/sources/common/tparam/tparamset.cpp
+++ b/toonz/sources/common/tparam/tparamset.cpp
@@ -119,6 +119,7 @@ TParamSet::TParamSet(const TParamSet &src)
 
 TParamSet::~TParamSet()
 {
+	delete m_imp;
 }
 
 //---------------------------------------------------------
diff --git a/toonz/sources/common/trop/tblur.cpp b/toonz/sources/common/trop/tblur.cpp
index e256d76..0a8f754 100644
--- a/toonz/sources/common/trop/tblur.cpp
+++ b/toonz/sources/common/trop/tblur.cpp
@@ -826,6 +826,19 @@ void doBlurRgb(TRasterPT<T> &dstRas, TRasterPT<T> &srcRas, double blur, int dx, 
 	if ((!fbuffer) || (!row1) || (!col1) || (!col2)) {
 		if (!useSSE)
 			r1->unlock();
+#ifdef _WIN32
+		if (useSSE) {
+			_aligned_free(col2);
+			_aligned_free(col1);
+			_aligned_free(row1);
+			_aligned_free(fbuffer);
+		} else
+#endif
+		{
+			delete[] col2;
+			delete[] col1;
+			delete[] row1;
+		}
 		return;
 	}
 
@@ -902,8 +915,12 @@ void doBlurGray(TRasterPT<T> &dstRas, TRasterPT<T> &srcRas, double blur, int dx,
 	col1 = new float[lly + 2 * brad];
 	col2 = new T[lly];
 
-	if ((!fbuffer) || (!row1) || (!col1) || (!col2))
+	if ((!fbuffer) || (!row1) || (!col1) || (!col2)) {
+		delete[] row1;
+		delete[] col1;
+		delete[] col2;
 		return;
+	}
 
 	row2 = fbuffer;
 
diff --git a/toonz/sources/common/trop/tover.cpp b/toonz/sources/common/trop/tover.cpp
index 41dfb12..384c40a 100644
--- a/toonz/sources/common/trop/tover.cpp
+++ b/toonz/sources/common/trop/tover.cpp
@@ -255,6 +255,7 @@ void do_over(TRasterGR8P rout, const TRaster32P &rup)
 			TPixel32 out32_pix = overPix(*temp_pix, *up_pix);
 			*out_pix = out_pix->from(out32_pix);
 		}
+		delete temp_pix;
 	}
 }
 
diff --git a/toonz/sources/common/tvrender/qtofflinegl.cpp b/toonz/sources/common/tvrender/qtofflinegl.cpp
index 750802f..860e4c2 100644
--- a/toonz/sources/common/tvrender/qtofflinegl.cpp
+++ b/toonz/sources/common/tvrender/qtofflinegl.cpp
@@ -363,7 +363,7 @@ void QtOfflineGLPBuffer::getRaster(TRaster32P raster)
 			pix->r = qRed(*inpPix);
 			pix->g = qGreen(*inpPix);
 			pix->b = qBlue(*inpPix);
-			*inpPix++;
+			inpPix++;
 		}
 	}
 	raster->unlock();
diff --git a/toonz/sources/common/tvrender/tinbetween.cpp b/toonz/sources/common/tvrender/tinbetween.cpp
index 7972d22..d6443ad 100644
--- a/toonz/sources/common/tvrender/tinbetween.cpp
+++ b/toonz/sources/common/tvrender/tinbetween.cpp
@@ -1290,7 +1290,7 @@ void TInbetween::Imp::computeTransformation()
 					}
 
 				} else {
-					assert(transform.m_scaleX = transform.m_scaleY);
+					assert(transform.m_scaleX == transform.m_scaleY);
 
 					cs = transform.m_scaleX * cos(totalRadRotation);
 					sn = transform.m_scaleX * sin(totalRadRotation);
diff --git a/toonz/sources/common/tvrender/tstrokedeformations.cpp b/toonz/sources/common/tvrender/tstrokedeformations.cpp
index 0a36b5a..8cee607 100644
--- a/toonz/sources/common/tvrender/tstrokedeformations.cpp
+++ b/toonz/sources/common/tvrender/tstrokedeformations.cpp
@@ -200,6 +200,7 @@ TStrokePointDeformation::TStrokePointDeformation(const TPointD &vect,
 												 double radius)
 												 : m_imp(new Imp(vect, center, radius))
 {
+	delete m_imp;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/toonz/sources/include/tparamset.h b/toonz/sources/include/tparamset.h
index 39380ad..de4238e 100644
--- a/toonz/sources/include/tparamset.h
+++ b/toonz/sources/include/tparamset.h
@@ -104,7 +104,7 @@ public:
 	std::string getValueAlias(double frame, int precision);
 
 private:
-	TParamSetImp *m_imp;
+	TParamSetImp *m_imp = nullptr;
 };
 
 #ifdef _WIN32