Cisco Adaptive Security Appliance (ASA) Software, when certain same-security-traffic and management-access options are enabled, allows remote authenticated users to cause a denial of service (stack overflow and device reload) by using the clientless SSL VPN portal for internal-resource browsing, aka Bug ID CSCui51199.
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5551