Buffer overflow in QuickTime PictureViewer 6.5.1 allows remote attackers to cause a denial of service (application crash) via a JPEG file with crafted Huffman Table (marker DHT) data.
PictureViewer in QuickTime for Windows 6.5.2 allows remote attackers to cause a denial of service (application crash) via a GIF image with the maximum depth start value, possibly triggering an integer overflow.