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