python-pillow: out-of-bounds reads/writes in the parsing of SGI image files in expandrow/expandrow2

An out-of-bounds read/write flaw was found in python-pillow, in the way SGI RLE images are decoded. An application that uses python-pillow to decode untrusted images may be vulnerable. This flaw allows an attacker to crash the application or potentially execute code on the system. The highest...