epan/proto.c in Wireshark 1.12.x before 1.12.11 and 2.0.x before 2.0.3 does not limit the protocol-tree depth, which allows remote attackers to cause a denial of service (stack memory consumption and application crash) via a crafted packet. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4006