{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "hexchat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.6.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-25T19:23:47Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "All versions of this crate have function `deregister_command` which can result in use after free. This is unsound.\n\nIn addition, all versions since 0.3.0 have \"safe\" macros, which are documented as unsafe to use in threads.\n\nIn addition, the `hexchat` crate is no longer actively maintained.  If users rely on this crate, consider switching to an alternative.",
  "id": "GHSA-x43w-ph7m-pfjx",
  "modified": "2026-02-25T19:23:47Z",
  "published": "2026-02-25T19:23:47Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pie-flavor/hexchat-rs/issues/3"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/pie-flavor/hexchat-rs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2025-0153.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "hexchat crate has a Use After Free vulnerability"
}