Security advisory

{
  "id": "cc88d88be27842e786aaf0280d51ffceb1d6c6b439ea1f9558a0291480b0a541",
  "url": "https://osv.dev/vulnerability/CVE-2020-15475",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15475",
    "summary": "In nDPI through 3.2, ndpi_reset_packet_line_info in lib/ndpi_main.c omits certain reinitialization, leading to a use-after-free.",
    "evidence": "osv:CVE-2020-15475",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-15475",
      "aliases": [
        "CVE-2020-15475"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ntop/ndpi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a50169a7b3ec36c8d789191b014715126e820698"
                },
                {
                  "fixed": "6a9f5e4f7c3fd5ddab3e6727b071904d76773952"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ntop:ndpi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6a9f5e4f7c3fd5ddab3e6727b071904d76773952"
                      }
                    ],
                    "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-2020-15475.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-15475-6ca0cbec",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "51934100062422575646143805195851292989",
                    "169877489502572309715188622643718865888",
                    "245914322038373838027517770688075883955",
                    "99451729234919049448420143174394015364"
                  ]
                },
                "source": "https://github.com/ntop/ndpi/commit/6a9f5e4f7c3fd5ddab3e6727b071904d76773952",
                "target": {
                  "file": "src/lib/ndpi_main.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-15475-70c4dedf",
                "digest": {
                  "length": 1243,
                  "function_hash": "76893278317898248010069755076064542516"
                },
                "source": "https://github.com/ntop/ndpi/commit/6a9f5e4f7c3fd5ddab3e6727b071904d76773952",
                "target": {
                  "file": "src/lib/ndpi_main.c",
                  "function": "ndpi_reset_packet_line_info"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:52:30Z"
          }
        }
      ],
      "modified": "2026-10-20T13:52:30.621640759Z",
      "provider": "osv",
      "references": [
        "https://github.com/ntop/nDPI/commit/6a9f5e4f7c3fd5ddab3e6727b071904d76773952"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15475",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388325,
  "published_at": "2020-07-01T11:15:11.333+00:00"
}