{
  "schema_version": "1.4.0",
  "id": "GHSA-m8h6-32jj-7hxp",
  "modified": "2024-04-04T03:24:17Z",
  "published": "2023-04-11T18:30:27Z",
  "aliases": [
    "CVE-2021-46879"
  ],
  "details": "An issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow 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-2021-46879"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fluent/fluent-bit/pull/3100"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26851"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-04-11T18:15:00Z"
  }
}