{
  "affected": [
    {
      "database_specific": {
        "categories": [],
        "cvss": null,
        "informational": "unmaintained"
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "core2",
        "purl": "pkg:cargo/core2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "The maintainer decided stop maintaining crate and yanked all published version.\n\nPotential alternatives:\n\n- [`embedded-io`](https://crates.io/crates/embedded-io) solves the same general problem\n- [`no-std-io2`](https://crates.io/crates/no-std-io2) is a maintained fork",
  "id": "RUSTSEC-2026-0105",
  "modified": "2026-04-22T13:15:38Z",
  "published": "2026-04-14T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/core2"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0105.html"
    },
    {
      "type": "WEB",
      "url": "https://hachyderm.io/@piecritic/116404790999620656"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "core2 is unmaintained, all versions yanked"
}