Security advisory

{
  "id": "eafd8cbd9a3f7b8b1549d875579a312fdbaabbabc927c67e3260013f5002c8b9",
  "url": "https://osv.dev/vulnerability/CVE-2020-8036",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8036",
    "summary": "The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.",
    "evidence": "osv:CVE-2020-8036",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-8036",
      "aliases": [
        "CVE-2020-8036"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/the-tcpdump-group/tcpdump",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e2256b4f2506102be2c6f7976f84f0d607c53d43"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "e2256b4f2506102be2c6f7976f84f0d607c53d43"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "tcpdump-4.9.0-bp",
            "tcpdump-4.7.0-bp",
            "tcpdump-4.6.0-bp",
            "tcpdump-4.6.0",
            "tcpdump-4.5.0",
            "tcpdump-3.8-bp",
            "tcpdump-3.7.1",
            "tcpdump-3.6.1",
            "tcpdump-3.5.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8036.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-8036-3421c63d",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "260889594262916610507033596175287188708",
                    "31576559873430092034884406884905655143",
                    "46601164126603537306423316319195553071",
                    "11087361184821555983086235955480163336",
                    "233923691297667078565594795001287857186",
                    "252829389338312366180910605882102302887",
                    "278753289173447348144778951746276030308",
                    "64600285183606455978592764708872901182",
                    "206765259206553502985182586134032728779",
                    "193974303459354316752816615720738931183",
                    "32728580021668315724948145594071955978",
                    "264132055571525925503877009992361907033"
                  ]
                },
                "source": "https://github.com/the-tcpdump-group/tcpdump/commit/e2256b4f2506102be2c6f7976f84f0d607c53d43",
                "target": {
                  "file": "print-someip.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:51:01Z"
          }
        }
      ],
      "modified": "2026-10-24T14:51:01.875103178Z",
      "provider": "osv",
      "references": [
        "https://github.com/the-tcpdump-group/tcpdump/commit/e2256b4f2506102be2c6f7976f84f0d607c53d43"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:tcpdump:tcpdump:4.10.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "tcpdump:tcpdump",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.10.0"
                  },
                  {
                    "last_affected": "4.10.0"
                  },
                  {
                    "introduced": "4.10.0"
                  },
                  {
                    "last_affected": "4.10.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-8036",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443849,
  "published_at": "2020-11-04T18:15:20.047+00:00"
}