The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service (hang) via a large password.
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
No PoCs found on GitHub currently.