{
  "schema_version": "1.4.0",
  "id": "GHSA-3cj3-jrrp-9rxf",
  "modified": "2021-08-19T17:44:11Z",
  "published": "2021-08-25T20:53:18Z",
  "aliases": [
    "CVE-2021-26958"
  ],
  "summary": "Unchecked Return Value in xcb",
  "details": "An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because transmutation to the wrong type can happen after xcb::base::cast_event uses std::mem::transmute to return a reference to an arbitrary type.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "xcb"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26958"
    },
    {
      "type": "WEB",
      "url": "https://github.com/RustSec/advisory-db/issues/653"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rtbo/rust-xcb"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0019.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-252"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-19T17:44:11Z",
    "nvd_published_at": null
  }
}