Certain HP LaserJet printers may potentially experience a denial of service when a user sends a raw JPEG file to the printer. The printer displays a “JPEG Unsupported” message which may not clear, potentially blocking queued print jobs.
The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).