Unknown vulnerability in cash_out and possibly other functions in PostgreSQL 7.2.1 and earlier, and possibly later versions before 7.2.3, with unknown impact, based on an invalid integer input which is processed as a different data type, as demonstrated using cash_out(2).
http://marc.info/?l=bugtraq&m=102978152712430&w=2
http://archives.postgresql.org/pgsql-hackers/2002-08/msg00713.php
http://archives.postgresql.org/pgsql-hackers/2002-08/msg00708.php