Security advisory

{
  "id": "2df3b38cb2fe0e9ea4580633ba0028c7fafc77e4133649d869c2cc5322c09b79",
  "url": "https://osv.dev/vulnerability/CVE-2021-40574",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-40574",
    "summary": "The binary MP4Box in Gpac from 0.9.0-preview to 1.0.1 has a double-free vulnerability in the gf_text_get_utf8_line function in load_text.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.",
    "evidence": "osv:CVE-2021-40574",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-40574",
      "aliases": [
        "CVE-2021-40574"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gpac/gpac",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ed4ec31ea84a1a94abb17669db33f5c4e7a679cf"
                },
                {
                  "last_affected": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
                },
                {
                  "fixed": "30ac5e5236b790accd1f25347eebf2dc8c6c1bcb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.0"
                      },
                      {
                        "last_affected": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "30ac5e5236b790accd1f25347eebf2dc8c6c1bcb"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40574.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-40574-5f2a698c",
                "digest": {
                  "length": 1611,
                  "function_hash": "230210492341566583915014837668410286663"
                },
                "source": "https://github.com/gpac/gpac/commit/30ac5e5236b790accd1f25347eebf2dc8c6c1bcb",
                "target": {
                  "file": "src/filters/load_text.c",
                  "function": "gf_text_get_utf8_line"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-40574-8b3557f3",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "180728915578673776719162757042366151258",
                    "240734627911263875664516209368288375490",
                    "222287515743341404633450966596245244444",
                    "64109077259693350474625864948021857235",
                    "166482483231269289728412799493455409256",
                    "294305885484496685493816442798177987069",
                    "339237291132411872005631746324972709639",
                    "158498996080456010138040219121678181146",
                    "128200279200830873988320868286409958588",
                    "181105664868832716179405220100333977639",
                    "164337026075874724797191200993357550532",
                    "106130394707070135858149980450533248725"
                  ]
                },
                "source": "https://github.com/gpac/gpac/commit/30ac5e5236b790accd1f25347eebf2dc8c6c1bcb",
                "target": {
                  "file": "src/filters/load_text.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-40574-905b8074",
                "digest": {
                  "length": 3374,
                  "function_hash": "194929129869498996262184414212790556334"
                },
                "source": "https://github.com/gpac/gpac/commit/30ac5e5236b790accd1f25347eebf2dc8c6c1bcb",
                "target": {
                  "file": "src/filters/load_text.c",
                  "function": "gf_text_process_sub"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:29:51Z"
          }
        }
      ],
      "modified": "2026-10-20T14:29:51.310030095Z",
      "provider": "osv",
      "references": [
        "https://github.com/gpac/gpac/blob/v0.9.0-preview/src/filters/load_text.c#L232",
        "https://github.com/gpac/gpac/blob/v0.9.0-preview/src/filters/load_text.c#L304",
        "https://www.debian.org/security/2023/dsa-5411",
        "https://github.com/gpac/gpac/issues/1897",
        "https://github.com/gpac/gpac/commit/30ac5e5236b790accd1f25347eebf2dc8c6c1bcb"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-40574",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 389078,
  "published_at": "2022-01-13T19:15:08.317+00:00"
}