This is due to an incorrect regex in dpkg-gencontrol which mishandles Origin, Bugs, and Maintainer. Patch attached.
** Attachment added: "fix Origin|Bugs|Maintainer regex" http://librarian.launchpad.net/6416291/dpkg-gencontrol.diff ** Changed in: dpkg (Ubuntu) Status: Unconfirmed => Confirmed -- does not interpret X[SBC]-* fields when building binary control files https://launchpad.net/bugs/84850 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs