Security advisory

{
  "id": "a883406fdcc13ab428fc0c88b5451ae44c71a76c8e6205312821fefe0e3f975e",
  "url": "https://osv.dev/vulnerability/CVE-2021-32138",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32138",
    "summary": "The DumpTrackInfo function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.",
    "evidence": "osv:CVE-2021-32138",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-32138",
      "aliases": [
        "CVE-2021-32138"
      ],
      "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": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "last_affected": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "fixed": "289ffce3e0d224d314f5f92a744d5fe35999f20b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.1"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "289ffce3e0d224d314f5f92a744d5fe35999f20b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.1",
            "v1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32138.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-32138-94a412c0",
                "digest": {
                  "length": 38898,
                  "function_hash": "72363230087630030596849941900056507927"
                },
                "source": "https://github.com/gpac/gpac/commit/289ffce3e0d224d314f5f92a744d5fe35999f20b",
                "target": {
                  "file": "applications/mp4box/filedump.c",
                  "function": "DumpTrackInfo"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-32138-eb9f6620",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "110813952207577778474837899797014853756",
                    "270844214476017854922214101552119900190",
                    "32932475279528246651705038658921617969",
                    "18628512939991662238803177973967637439",
                    "328807136156796949526559614132055125801",
                    "236923671778649612870430103083481700222",
                    "66169494858679149215744103948453711159",
                    "155596384022551624924261727561163721496",
                    "129210666194467045923794921218605162475",
                    "180737934796336991252198006935756900992",
                    "36846995504410589264330910748381873411",
                    "134330799294180370222445525696240321460",
                    "290997714870136359489958931391395770606",
                    "36228315985012163088552575223570732090",
                    "319297280601915710553291807514515423535",
                    "60127297917787444437727825201856101588",
                    "310868404963924679027873888371384724637",
                    "215385272412777472972761329764328174975"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/289ffce3e0d224d314f5f92a744d5fe35999f20b",
                "target": {
                  "file": "applications/mp4box/filedump.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:23:40Z"
          }
        }
      ],
      "modified": "2026-10-20T14:23:40.545621280Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/commit/289ffce3e0d224d314f5f92a744d5fe35999f20b",
        "https://github.com/gpac/gpac/issues/1767"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32138",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388878,
  "published_at": "2021-09-13T20:15:08.343+00:00"
}