CVE-2014-9034: Undefined Security Weakness

wp-includes/class-phpass.php in WordPress before 3.7.5, 3.8.x before 3.8.5, 3.9.x before 3.9.3, and 4.x before 4.0.1 allows remote attackers to cause a denial of service CPU consumption via a long password that is improperly handled during hashing, a similar issue to CVE-2014-9016...

CVE-2013-2173: Undefined Security Weakness

wp-includes/class-phpass.php in WordPress 3.5.1, when a password-protected post exists, allows remote attackers to cause a denial of service CPU consumption via a crafted value of a certain wp-postpass cookie...