Multiple cross-site request forgery (CSRF) vulnerabilities in Drupal 5.x before 5.10 and 6.x before 6.4 allow remote attackers to hijack the authentication of administrators for requests that (1) add or (2) delete user access rules.
https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00508.html
https://www.redhat.com/archives/fedora-package-announce/2008-September/msg00259.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/44448
https://bugzilla.redhat.com/show_bug.cgi?id=459108
http://www.vupen.com/english/advisories/2008/2392
http://www.securityfocus.com/bid/30689
http://secunia.com/advisories/31825