The SSL VPN implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(.2) and earlier does not properly allocate memory blocks during HTTP packet handling, which allows remote attackers to cause a denial of service (memory consumption) via crafted packets, aka Bug ID CSCuq68888.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3420
http://tools.cisco.com/security/center/viewAlert.x?alertId=36542
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3407