It would be safer to avoid reading environment variables if proxymech.so is ever used in a setuid program.
Change the code to use secure_getenv() to accomplish that.
Ticket has been cloned to Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1032684
Fixed in 23f4ee4
Metadata Update from @simo: - Issue assigned to simo