USN-6408-2 libxpm vulnerabilities

USN-6408-1 fixed several vulnerabilities in libXpm. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Yair Mizrahi discovered that libXpm incorrectly handled certain malformed XPM image files. If a user were trick...