The ICMP parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp.c:icmp_print().
{ "vanir_signatures": [ { "target": { "file": "print-icmp.c" }, "id": "CVE-2018-14462-d5c3570b", "signature_version": "v1", "digest": { "line_hashes": [ "256282623563402795652972202107018084049", "287789674988758519084907203655781532496", "251456174941745400610837741727730371946", "157430569230808296392379629325636309208" ], "threshold": 0.9 }, "source": "https://github.com/the-tcpdump-group/tcpdump/commit/1a1bce0526a77b62e41531b00f8bb5e21fd4f3a3", "signature_type": "Line", "deprecated": false }, { "target": { "file": "print-icmp.c", "function": "icmp_print" }, "id": "CVE-2018-14462-e80008f1", "signature_version": "v1", "digest": { "length": 8807.0, "function_hash": "322327582795609803298054644667977291564" }, "source": "https://github.com/the-tcpdump-group/tcpdump/commit/1a1bce0526a77b62e41531b00f8bb5e21fd4f3a3", "signature_type": "Function", "deprecated": false } ] }