{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "lru"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.9.0"
            },
            {
              "fixed": "0.16.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-07T20:38:57Z",
    "nvd_published_at": null,
    "severity": "LOW"
  },
  "details": "Affected versions of this crate contain a soundness issue in the `IterMut` iterator implementation. The `IterMut::next` and `IterMut::next_back` methods temporarily create an exclusive reference to the key when dereferencing the internal node pointer.\n\nThis invalidates the shared pointer held by the internal `HashMap`, violating Stacked Borrows rules.",
  "id": "GHSA-rhfx-m35p-ff5j",
  "modified": "2026-01-07T20:38:57Z",
  "published": "2026-01-07T20:38:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/jeromefroe/lru-rs/pull/224"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jeromefroe/lru-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2026-0002.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "`IterMut` violates Stacked Borrows by invalidating internal pointer"
}