libjpeg-turbo: heap buffer overflow in get_word_rgb_row() in rdppm.c

A heap-based buffer overflow vulnerability was found in libjpeg-turbo in the getwordrgbrow function in rdppm.c. The flaw occurs when the PPM reader in libjpeg-turbo mishandles use of the tjLoadImage function for loading a 16-bit binary PPM file into a grayscale uncompressed image buffer and then...