epan/dissectors/packet-iax2.c in the IAX2 dissector in Wireshark 1.12.x before 1.12.11 and 2.0.x before 2.0.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4081
