chromium-browser: heap overflow in pdfium

Integer overflow in the opjtcdgetdecodedtilesize function in tcd.c in OpenJPEG, as used in PDFium in Google Chrome before 53.0.2785.89 on Windows and OS X and before 53.0.2785.92 on Linux, allows remote attackers to cause a denial of service heap-based buffer overflow or possibly have unspecified...