The IKEv1 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:ikev1idprint().
{ "vanir_signatures": [ { "id": "CVE-2017-13689-4da54355", "signature_type": "Line", "digest": { "threshold": 0.9, "line_hashes": [ "172683983312796687316655312462668406654", "284587019244827474340526926360529787274", "51925659908279557336364435316561378766", "318741994429990692282569853318131721138", "340122471435894674851762684376894292781" ] }, "source": "https://github.com/the-tcpdump-group/tcpdump/commit/061e7371a944588f231cb1b66d6fb070b646e376", "target": { "file": "print-isakmp.c" }, "deprecated": false, "signature_version": "v1" } ] }