Bug#1126508: dpkg's email validation module does not check for "." in the domain

Nilesh Patra <[email protected]> Wed, 28 Jan 2026 00:30:21 +0530

Newsgroups	gmane.linux.debian.devel.dpkg.bugs
Message-ID	<0dd9ca51-abfe-49ff-8f14-664b6c1ec900__16993.8684835628$1769540615$gmane$org@riseup.net>

Package: dpkg
Severity: normal
X-Debbugs-Cc: [email protected]
Control: affects -1 + src:lintian
Version: 1.23.5

Hi Guillem,

While trying to fix tests for lintian, I noticed that specifying the email as "username@localhost"
in Uploaders field does not cause the build to choke.

That means that dpkg is accepting malformed address here, as it should check also if TLD is present
or not.