don't allow unknown subsampling

sylikc · Jun 20, 2024 · 810dcd3 · 810dcd3
1 parent 1c89052
commit 810dcd3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/JPEGView/TJPEGWrapper.cpp b/src/JPEGView/TJPEGWrapper.cpp
@@ -30,7 +30,7 @@ void * TurboJpeg::ReadImage(int &width,
  chromoSubsampling = (TJSAMP)tj3Get(hDecoder, TJPARAM_SUBSAMP);
  if (abs((double)width * height) > MAX_IMAGE_PIXELS) {
  outOfMemory = true;
- } else if (width <= MAX_IMAGE_DIMENSION && height <= MAX_IMAGE_DIMENSION) {
+ } else if (width <= MAX_IMAGE_DIMENSION && height <= MAX_IMAGE_DIMENSION && chromoSubsampling != TJSAMP_UNKNOWN) {
  pPixelData = new(std::nothrow) unsigned char[TJPAD(width * 3) * height];
  if (pPixelData != NULL) {
  nResult = tj3Decompress8(hDecoder, (unsigned char*)buffer, sizebytes, pPixelData, TJPAD(width * 3), TJPF_BGR);