DBD::Oracle 1.16
DBI 1.43
Perl 5.6

I tried that workaround as well and I get a different error:

panic: dbd_rebind_ph alen 23 > maxlen 0 (incnul 0) at C:/Perl/site/lib
+/DBI.pm line 1428.
[download]

So I'm not sure where to go myself.

Thanks very much for looking into it, anyway!