Session fixation vulnerability in Drupal 5.x before 5.9 and 6.x before 6.3, when contributed modules “terminate the current request during a login event,” allows remote attackers to hijack web sessions via unknown vectors.
drupal.org/node/280571
drupal.org/node/286417
secunia.com/advisories/31079
secunia.com/advisories/31211
www.openwall.com/lists/oss-security/2008/07/10/3
www.securityfocus.com/bid/30168
www.securityfocus.com/bid/30359
bugzilla.redhat.com/show_bug.cgi?id=454849
exchange.xforce.ibmcloud.com/vulnerabilities/43706
www.redhat.com/archives/fedora-package-announce/2008-August/msg00016.html
www.redhat.com/archives/fedora-package-announce/2008-July/msg00527.html
www.redhat.com/archives/fedora-package-announce/2008-July/msg00551.html