Security advisory

{
  "id": "6148cf211f47674dc4feef85f90fddc4d63c31143082974309fc8231f82d54c7",
  "url": "https://osv.dev/vulnerability/CVE-2020-15471",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15471",
    "summary": "In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c.",
    "evidence": "osv:CVE-2020-15471",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-15471",
      "aliases": [
        "CVE-2020-15471"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ntop/ndpi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a50169a7b3ec36c8d789191b014715126e820698"
                },
                {
                  "fixed": "61066fb106efa6d3d95b67e47b662de208b2b622"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ntop:ndpi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "61066fb106efa6d3d95b67e47b662de208b2b622"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.2",
            "1.8",
            "1.7",
            "1.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15471.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-15471-5cfc4d7e",
                "digest": {
                  "length": 11488,
                  "function_hash": "181806958158329745930157317768529371896"
                },
                "source": "https://github.com/ntop/ndpi/commit/61066fb106efa6d3d95b67e47b662de208b2b622",
                "target": {
                  "file": "src/lib/ndpi_main.c",
                  "function": "ndpi_parse_packet_line_info"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-15471-badb0f9d",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "27901700851997172515899853370165295379",
                    "201610050532761011261637841589280118008",
                    "80379603526575391506941132032884059593",
                    "50134569437380941638251642742657898652",
                    "20593940236062609007268419019861085370",
                    "25491125043040938689397748663962085461",
                    "43300169664683112276481632117949646011",
                    "116790465653325931271902848782640801654",
                    "292373968204422757132337410372161935521",
                    "116648488447125457786506300196923545478",
                    "263346130739385710191968011865472873993",
                    "296391917667486469350417773925568048146",
                    "69134860993316747987146156508663424146",
                    "273655233034483769817041979511093976563",
                    "98989165444264782114102513971420824324",
                    "26532880767996807660972715931252760801",
                    "263346130739385710191968011865472873993",
                    "296391917667486469350417773925568048146",
                    "56886916354076258191347530811655578565",
                    "254063902930968828380407248845263613753",
                    "16801275324043133306943519013333034661",
                    "57642197206367785818596861158905087061",
                    "339276707551170325232584450257657301590",
                    "141579456440240617831143291024589989128",
                    "77765381044025788447971434169695599924",
                    "275554343259501276519339382234585602093",
                    "220103509617406826040508256826001067017",
                    "131887483327079209405820967543777450402",
                    "224732526485576017040445576995802432130",
                    "124924552320332925981374288075858764327",
                    "1237430623777699397437893196055406715"
                  ]
                },
                "source": "https://github.com/ntop/ndpi/commit/61066fb106efa6d3d95b67e47b662de208b2b622",
                "target": {
                  "file": "src/lib/ndpi_main.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:52:28Z"
          }
        }
      ],
      "modified": "2026-10-20T13:52:28.729017116Z",
      "provider": "osv",
      "references": [
        "https://github.com/fuzzing2026/CVE-PoCs/tree/main/ndpi-CVE-2020-15471",
        "https://github.com/ntop/nDPI/commit/61066fb106efa6d3d95b67e47b662de208b2b622"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15471",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388320,
  "published_at": "2020-07-01T11:15:11.037+00:00"
}