Vulnerability in the cash_words() function for PostgreSQL 7.2 and earlier allows local users to cause a denial of service and possibly execute arbitrary code via a large negative argument, possibly triggering an integer signedness error or buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/9891
http://www.securityfocus.com/bid/5497
http://www.redhat.com/support/errata/RHSA-2003-001.html
http://secunia.com/advisories/8034
http://marc.info/?l=bugtraq&m=102977465204357&w=2
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000524