Security advisory

{
  "id": "6319cc40415b4f45067e8386ace1bc8cf5ca08c338e41c215c766305298c5872",
  "url": "https://osv.dev/vulnerability/CVE-2020-25427",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-25427",
    "summary": "A Null pointer dereference vulnerability exits in MP4Box - GPAC version 0.8.0-rev177-g51a8ef874-master via the gf_isom_get_track_id function, which causes a denial of service.",
    "evidence": "osv:CVE-2020-25427",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-25427",
      "aliases": [
        "CVE-2020-25427"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6b4ab401297be43b57f9eddd675971a8a5feab44"
                },
                {
                  "last_affected": "6b4ab401297be43b57f9eddd675971a8a5feab44"
                },
                {
                  "fixed": "8e585e623b1d666b4ef736ed609264639cb27701"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:0.8.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.8.0"
                      },
                      {
                        "last_affected": "0.8.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8e585e623b1d666b4ef736ed609264639cb27701"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.8.0",
            "v0.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25427.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-25427-03a92b01",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "276733721440616873231165682537985480708",
                    "241816059773233637622238702292792174145",
                    "144004370354497051973423319034534800561",
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                    "188659798654361141089446755525976142299"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/8e585e623b1d666b4ef736ed609264639cb27701",
                "target": {
                  "file": "src/isomedia/box_funcs.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-25427-4a4d5cbc",
                "digest": {
                  "length": 4385,
                  "function_hash": "164916447853270442724752484460171499615"
                },
                "source": "https://github.com/gpac/gpac/commit/8e585e623b1d666b4ef736ed609264639cb27701",
                "target": {
                  "file": "src/isomedia/box_funcs.c",
                  "function": "gf_isom_box_parse_ex"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:57:25Z"
          }
        }
      ],
      "modified": "2026-10-20T13:57:25.660238913Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/issues/1406",
        "https://github.com/gpac/gpac/commit/8e585e623b1d666b4ef736ed609264639cb27701"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-25427",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388450,
  "published_at": "2022-01-10T22:15:08.067+00:00"
}