https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7303

            Bug ID: 7303
           Summary: uninitialized value in lc PDFInfo.pm line 418
           Product: Spamassassin
           Version: 3.4.1
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Plugins
          Assignee: [email protected]
          Reporter: [email protected]

> Use of uninitialized value in lc at
> /usr/share/perl5/Mail/SpamAssassin/Plugin/PDFInfo.pm line 418



Here s some fix from the mail list ( untestet )





Thats a warning of the perl interpreter because an undefined value is passed to
lc().

In this case:

 my $cte = lc $p->get_header('content-transfer-encoding') || '';

The attachment may not have a header with that name.

Its a bug. It must be written like this:

 my $cte = lc( $p->get_header('content-transfer-encoding') || '' );

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