openjpeg: heap overflow in parsing of JPEG2000 code blocks

An integer overflow, leading to a heap buffer overflow, was found in openjpeg, also affecting the PDF viewer in Chromium. A specially crafted JPEG2000 image could cause an incorrect calculation when allocating memory for code blocks, which could lead to a crash, or potentially, code execution...

openjpeg: heap overflow due to unsafe use of opj_aligned_malloc

An integer overflow, leading to a heap buffer overflow, was found in openjpeg, also affecting the PDF viewer in Chromium. A specially crafted JPEG2000 image could cause incorrect calculations when allocating various data structures, which could lead to a crash, or potentially, code execution...