The Next-Generation Firewall (aka NGFW, formerly CX Context-Aware Security) module 9.x before 9.1.1.9 and 9.1.2.x before 9.1.2.12 for Cisco Adaptive Security Appliances (ASA) devices allows remote attackers to cause a denial of service (device reload or traffic-processing outage) via fragmented (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCue88387.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130626-ngfw