The ISO ES-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:esis_print().
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "4.9.2-0ubuntu0.14.04.1", "binary_name": "tcpdump" }, { "binary_version": "4.9.2-0ubuntu0.14.04.1", "binary_name": "tcpdump-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "4.9.2-0ubuntu0.16.04.1", "binary_name": "tcpdump" }, { "binary_version": "4.9.2-0ubuntu0.16.04.1", "binary_name": "tcpdump-dbgsym" } ] }