In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a K12 file parser crash, triggered by a malformed capture file. This was addressed in wiretap/k12.c by validating the relationships between lengths and offsets. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6473
