Security advisory

{
  "id": "f48ce4a8d69287fc1c1a41afa473901f0b3f66ce63c252478f7da2879388ab62",
  "url": "https://osv.dev/vulnerability/CVE-2021-40609",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-40609",
    "summary": "The GetHintFormat function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the MP4Box command.",
    "evidence": "osv:CVE-2021-40609",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-40609",
      "aliases": [
        "CVE-2021-40609"
      ],
      "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": "0"
                },
                {
                  "fixed": "418db4149af78773815b5f6a7030a120037ba140"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.0",
            "v0.9.0",
            "v0.9.0-preview",
            "v0.6.0",
            "v0.5.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40609.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-40609-00ec9c94",
                "digest": {
                  "length": 2924,
                  "function_hash": "331609225902553284938660782849123559724"
                },
                "source": "https://github.com/gpac/gpac/commit/418db4149af78773815b5f6a7030a120037ba140",
                "target": {
                  "file": "src/utils/os_config_init.c",
                  "function": "gf_cfg_init"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-40609-84a001c2",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "157047988769606476955262936216865999399",
                    "25205688373900634743508465492002274847"
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                },
                "source": "https://github.com/gpac/gpac/commit/418db4149af78773815b5f6a7030a120037ba140",
                "target": {
                  "file": "src/utils/os_config_init.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-40609-abddd526",
                "digest": {
                  "length": 1136,
                  "function_hash": "116287927203832314234354772323596679187"
                },
                "source": "https://github.com/gpac/gpac/commit/418db4149af78773815b5f6a7030a120037ba140",
                "target": {
                  "file": "applications/mp4client/main.c",
                  "function": "PrintUsage"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-40609-dde39a3b",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
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                    "196881605958314966606044579045527764763",
                    "211928352066196418331258856473204866912",
                    "280195963159516847825224043850516008460"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/418db4149af78773815b5f6a7030a120037ba140",
                "target": {
                  "file": "applications/mp4client/main.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:29:53Z"
          }
        }
      ],
      "modified": "2026-10-20T14:29:53.295404490Z",
      "provider": "osv",
      "references": [
        "https://www.debian.org/security/2023/dsa-5411",
        "https://github.com/gpac/gpac/issues/1894"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-40609",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 389083,
  "published_at": "2022-06-28T13:15:09.88+00:00"
}