exiv2: infinite loop and hang in Jp2Image::readMetadata() in jp2image.cpp could lead to DoS

A denial of service vulnerability was found in exiv2 in the way JPEG 2000 JP2 metadata was read when processing an image file. A remote attacker could abuse this flaw to create a specially crafted image, causing exiv2 to enter into an infinite loop when processing an incoming malicious image...