Open redirect vulnerability in the Overlay module in Drupal 7.x before 7.38 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.
https://www.drupal.org/node/2507741
https://www.drupal.org/node/2507735
https://www.drupal.org/node/2507729
https://www.drupal.org/node/2507561
https://www.drupal.org/node/2507555
https://www.drupal.org/node/2507535
https://www.drupal.org/SA-CORE-2015-002
http://www.securityfocus.com/bid/75284
http://www.securityfocus.com/bid/75280
http://www.securityfocus.com/bid/75279
http://www.openwall.com/lists/oss-security/2015/07/04/4
http://www.debian.org/security/2015/dsa-3291
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161265.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161261.html