{
  "schema_version": "1.4.0",
  "id": "GHSA-r3hq-4h29-qfq9",
  "modified": "2024-04-04T03:24:16Z",
  "published": "2023-04-11T18:30:27Z",
  "aliases": [
    "CVE-2021-46878"
  ],
  "details": "An issue was discovered in Treasure Data Fluent Bit 1.7.1, erroneous parsing in flb_pack_msgpack_to_json_format leads to type confusion bug that interprets whatever is on the stack as msgpack maps and arrays, leading to use-after-free. This can be used by an attacker to craft a specially craft file and trick the victim opening it using the affect software, triggering use-after-free and execute arbitrary code on the target system.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46878"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fluent/fluent-bit/pull/3115"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27742"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-04-11T18:15:00Z"
  }
}