The core server component in PostgreSQL 8.4 before 8.4.1, 8.3 before 8.3.8, 8.2 before 8.2.14, 8.1 before 8.1.18, 8.0 before 8.0.22, and 7.4 before 7.4.26 does not use the appropriate privileges for the (1) RESET ROLE and (2) RESET SESSION AUTHORIZATION operations, which allows remote authenticated users to gain privileges. NOTE: this is due to an incomplete fix for CVE-2007-6600.
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00307.html
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00305.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10166
https://bugzilla.redhat.com/show_bug.cgi?id=522085
http://www.vupen.com/english/advisories/2009/2602
http://www.us.debian.org/security/2009/dsa-1900
http://www.ubuntu.com/usn/usn-834-1
http://www.securityfocus.com/bid/36314
http://www.securityfocus.com/archive/1/509917/100/0/threaded
http://www.postgresql.org/support/security.html
http://www.postgresql.org/docs/8.3/static/release-8-3-8.html
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012
http://sunsolve.sun.com/search/document.do?assetkey=1-66-270408-1
http://secunia.com/advisories/36837
http://secunia.com/advisories/36800
http://secunia.com/advisories/36727
http://secunia.com/advisories/36695
http://secunia.com/advisories/36660
http://marc.info/?l=bugtraq&m=134124585221119&w=2
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
http://archives.postgresql.org/pgsql-www/2009-09/msg00024.php