{
  "affected": [
    {
      "database_specific": {
        "categories": [],
        "cvss": null,
        "informational": "unmaintained"
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "spin",
        "purl": "pkg:cargo/spin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "0.0.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "The author of the `spin` crate does not have time or interest to maintain it.\n\nConsider the following alternatives (all of which support `no_std`):\n\n- [`conquer-once`](https://github.com/oliver-giersch/conquer-once)\n- [`lock_api`](https://crates.io/crates/lock_api) (a subproject of `parking_lot`)\n  - [`spinning_top`](https://github.com/rust-osdev/spinning_top) spinlock crate built on `lock_api`\n- [`spinning`](https://github.com/4lDO2/spinning-rs)",
  "id": "RUSTSEC-2019-0031",
  "modified": "2022-08-16T02:38:08Z",
  "published": "2019-11-21T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/spin"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2019-0031.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mvdnes/spin-rs/commit/7516c80"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "spin is no longer actively maintained",
  "withdrawn": "2020-10-08T12:00:00Z"
}