Given the bug in upstream sudo [1], I think this should be reassigned to it.
1: http://www.sudo.ws/bugs/show_bug.cgi?id=388 -- Jonathan Wiltshire 4096R: 0xD3524C51 / 0A55 B7C5 1223 3942 86EC 74C3 5394 479D D352 4C51 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org