USN-6913-2 php-cas vulnerability

USN-6913-1 fixed CVE-2022-39369 for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: Filip Hejsek discovered that phpCAS was using HTTP headers to determine the service URL used to validate tickets. A remote attacke...