FFmpeg before commit cced03dd667a5df6df8fd40d8de0bff477ee02e8 contains multiple out of array access vulnerabilities in the mms protocol that can result in attackers accessing out of bound data

{
  "id": "4745f8d9bc9602c62288ccc01d1a0e71ad0540e065d91e66c174432574e66bbf",
  "url": "https://osv.dev/vulnerability/CLEANSTART-2024-ZP45224",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FFmpeg before commit cced03dd667a5df6df8fd40d8de0bff477ee02e8 contains multiple out of array access vulnerabilities in the mms protocol that can result in attackers accessing out of bound data",
    "summary": "Security vulnerability affects the ffmpeg4 package. FFmpeg before commit cced03dd667a5df6df8fd40d8de0bff477ee02e8 contains multiple out of array access vulnerabilities in the mms protocol that can result in attackers accessing out of bound data.",
    "evidence": "osv:CLEANSTART-2024-ZP45224",
    "products": [
      {
        "name": {
          "value": "ffmpeg4",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.0.2-r0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CLEANSTART-2024-ZP45224",
      "aliases": [
        "CLEANSTART-2024-ZP45224"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.0.2-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "ffmpeg4",
            "purl": "pkg:apk/cleanstart/ffmpeg4",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2024/CLEANSTART-2024-ZP45224.json"
          }
        }
      ],
      "modified": "2026-10-08T16:47:02.836102072Z",
      "provider": "osv",
      "upstream": [
        "CVE-2018-1999010"
      ],
      "references": [
        "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-ZP45224.json",
        "https://osv.dev/vulnerability/CVE-2018-1999010",
        "https://nvd.nist.gov/vuln/detail/CVE-2018-1999010"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-1999010",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 101710,
  "published_at": "2026-10-01T08:23:30.86+00:00"
}