All reports of source-field-malformed for the archive. The extended description of this tag is:

In debian/control or a .dsc file, the Source field must contain only the name of the source package. In a binary package, the Source field may also optionally contain the version number of the corresponding source package in parentheses.

Source package names must consist only of lowercase letters, digits, plus and minus signs, and periods. They must be at least two characters long and must start with an alphanumeric character.

Refer to Debian Policy Manual section 5.6.1 (Source) for details.

Severity: serious, Certainty: certain

Check: fields, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.