diff -up libpgf/include/PGFimage.h.r147 libpgf/include/PGFimage.h

--- libpgf/include/PGFimage.h.r147	2015-08-10 10:24:28.319204436 -0500

+++ libpgf/include/PGFimage.h	2015-08-10 10:44:12.588655556 -0500

@@ -538,7 +538,7 @@ private:

 	ProgressMode m_progressMode;	///< progress mode used in Read and Write; PM_Relative is default mode

 	void ComputeLevels();

-	void CompleteHeader();

+	bool CompleteHeader();

 	void RgbToYuv(int pitch, UINT8* rgbBuff, BYTE bpp, int channelMap[], CallbackPtr cb, void *data) THROW_;

 	void Downsample(int nChannel);

 	UINT32 UpdatePostHeaderSize() THROW_;

diff -up libpgf/src/Decoder.cpp.r147 libpgf/src/Decoder.cpp

--- libpgf/src/Decoder.cpp.r147	2015-08-10 10:24:28.637208326 -0500

+++ libpgf/src/Decoder.cpp	2015-08-10 10:45:04.349979345 -0500

@@ -158,7 +158,7 @@ CDecoder::CDecoder(CPGFStream* stream, P

 		if (size > 0) {

 			// read post-header

 			if (header.mode == ImageModeIndexedColor) {

-				ASSERT((size_t)size >= ColorTableSize);

+				if (size < ColorTableSize) ReturnWithError(FormatCannotRead);

 				// read color table

 				count = expected = ColorTableSize;

 				m_stream->Read(&count, postHeader.clut);

diff -up libpgf/src/PGFimage.cpp.r147 libpgf/src/PGFimage.cpp

--- libpgf/src/PGFimage.cpp.r147	2014-03-21 07:09:10.000000000 -0500

+++ libpgf/src/PGFimage.cpp	2015-08-10 10:45:33.371423512 -0500

@@ -145,7 +145,7 @@ void CPGFImage::Open(CPGFStream *stream)

 	m_height[0] = m_header.height;

 	// complete header

-	CompleteHeader();

+	if (!CompleteHeader()) ReturnWithError(FormatCannotRead);

 	// interpret quant parameter

 	if (m_header.quality > DownsampleThreshold && 

@@ -205,7 +205,7 @@ void CPGFImage::Open(CPGFStream *stream)

 }

 ////////////////////////////////////////////////////////////

-void CPGFImage::CompleteHeader() {

+bool CPGFImage::CompleteHeader() {

 	if (m_header.mode == ImageModeUnknown) {

 		// undefined mode

 		switch(m_header.bpp) {

@@ -261,20 +261,20 @@ void CPGFImage::CompleteHeader() {

 		// change mode

 		m_header.mode = ImageModeRGBA;

 	}

-	ASSERT(m_header.mode != ImageModeBitmap || m_header.bpp == 1);

-	ASSERT(m_header.mode != ImageModeIndexedColor || m_header.bpp == 8);

-	ASSERT(m_header.mode != ImageModeGrayScale || m_header.bpp == 8);

-	ASSERT(m_header.mode != ImageModeGray16 || m_header.bpp == 16);

-	ASSERT(m_header.mode != ImageModeGray32 || m_header.bpp == 32);

-	ASSERT(m_header.mode != ImageModeRGBColor || m_header.bpp == 24);

-	ASSERT(m_header.mode != ImageModeRGBA || m_header.bpp == 32);

-	ASSERT(m_header.mode != ImageModeRGB12 || m_header.bpp == 12);

-	ASSERT(m_header.mode != ImageModeRGB16 || m_header.bpp == 16);

-	ASSERT(m_header.mode != ImageModeRGB48 || m_header.bpp == 48);

-	ASSERT(m_header.mode != ImageModeLabColor || m_header.bpp == 24);

-	ASSERT(m_header.mode != ImageModeLab48 || m_header.bpp == 48);

-	ASSERT(m_header.mode != ImageModeCMYKColor || m_header.bpp == 32);

-	ASSERT(m_header.mode != ImageModeCMYK64 || m_header.bpp == 64);

+	if (m_header.mode == ImageModeBitmap && m_header.bpp != 1) return false;

+	if (m_header.mode == ImageModeIndexedColor && m_header.bpp != 8) return false;

+	if (m_header.mode == ImageModeGrayScale && m_header.bpp != 8) return false;

+	if (m_header.mode == ImageModeGray16 && m_header.bpp != 16) return false;

+	if (m_header.mode == ImageModeGray32 && m_header.bpp != 32) return false;

+	if (m_header.mode == ImageModeRGBColor && m_header.bpp != 24) return false;

+	if (m_header.mode == ImageModeRGBA && m_header.bpp != 32) return false;

+	if (m_header.mode == ImageModeRGB12 && m_header.bpp != 12) return false;

+	if (m_header.mode == ImageModeRGB16 && m_header.bpp != 16) return false;

+	if (m_header.mode == ImageModeRGB48 && m_header.bpp != 48) return false;

+	if (m_header.mode == ImageModeLabColor && m_header.bpp != 24) return false;

+	if (m_header.mode == ImageModeLab48 && m_header.bpp != 48) return false;

+	if (m_header.mode == ImageModeCMYKColor && m_header.bpp != 32) return false;

+	if (m_header.mode == ImageModeCMYK64 && m_header.bpp != 64) return false;

 	// set number of channels

 	if (!m_header.channels) {

@@ -300,8 +300,7 @@ void CPGFImage::CompleteHeader() {

 			m_header.channels = 4;

 			break;

 		default:

-			ASSERT(false);

-			m_header.channels = 3;

+			return false;

 		}

 	}

@@ -311,6 +310,8 @@ void CPGFImage::CompleteHeader() {

 	if (!m_header.usedBitsPerChannel || m_header.usedBitsPerChannel > bpc) {

 		m_header.usedBitsPerChannel = bpc;

 	}

+

+	return true;

 }

 //////////////////////////////////////////////////////////////////////