Buffer overflow in to_ascii for PostgreSQL 7.2.x, and 7.3.x before 7.3.4, allows remote attackers to execute arbitrary code.
http://www.securityfocus.com/bid/8741
http://www.redhat.com/support/errata/RHSA-2003-314.html
http://www.redhat.com/support/errata/RHSA-2003-313.html
http://www.debian.org/security/2003/dsa-397
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000772
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000784
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/adt/ascii.c