kdelibs/kdelibs-4.0.3-khtml-securit...

20 lines
739 B
Diff

--- khtml/imload/decoders/pngloader.cpp
+++ khtml/imload/decoders/pngloader.cpp
@@ -109,6 +109,8 @@ private:
if (colorType == PNG_COLOR_TYPE_RGB)
colorType = PNG_COLOR_TYPE_RGB_ALPHA; //Paranoia..
+ else if (colorType == PNG_COLOR_TYPE_GRAY)
+ colorType = PNG_COLOR_TYPE_GRAY_ALPHA;
}
ImageFormat imFrm;
@@ -192,6 +194,7 @@ private:
{
if (interlaced)
{
+ Q_ASSERT(pngReadStruct->row_info.pixel_depth <= depth * 8);
requestScanline(rowNum, scanlineBuf);
png_progressive_combine_row(pngReadStruct, scanlineBuf, data);
notifyScanline(pass + 1, scanlineBuf);