Security advisory

{
  "id": "2bba1e65bee1387350fadcfba6be13bc1e09e588acae3e8983626668849942f5",
  "url": "https://osv.dev/vulnerability/CVE-2020-15007",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-15007",
    "summary": "A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.",
    "evidence": "osv:CVE-2020-15007",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-15007",
      "aliases": [
        "CVE-2020-15007"
      ],
      "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/axdoomer/doom-vanille",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ec"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:doom_vanille_project:doom_vanille:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "671"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ec"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "670",
            "669",
            "668",
            "667",
            "666"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15007.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-15007-65cbcd42",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "85293061293636805416231508029694615802",
                    "71369627972608954247231714336559116903",
                    "46547365666147558129742222755009198095",
                    "78024321302976833542863994243450130317"
                  ]
                },
                "source": "https://github.com/axdoomer/doom-vanille/commit/8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ec",
                "target": {
                  "file": "m_misc.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-15007-c63ceb02",
                "digest": {
                  "length": 1402,
                  "function_hash": "237249339936689033424449235672978159146"
                },
                "source": "https://github.com/axdoomer/doom-vanille/commit/8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ec",
                "target": {
                  "file": "m_misc.c",
                  "function": "M_LoadDefaults"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:51:53Z"
          }
        }
      ],
      "modified": "2026-10-20T13:51:53.409726294Z",
      "provider": "osv",
      "references": [
        "https://twitter.com/notrevenant/status/1268654123903340544",
        "https://github.com/AXDOOMER/doom-vanille/commit/8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ec"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-15007",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388293,
  "published_at": "2020-06-24T11:15:12.09+00:00"
}