{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2021-02-18"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "An issue was discovered in the through crate through 2021-02-18 for Rust. There is a double free (in through and through_and) upon a panic of the map function.",
  "id": "CVE-2021-29940",
  "modified": "2026-03-13T21:50:39.937056960Z",
  "published": "2021-04-01T05:15:14.907Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0049.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}