Security advisory

{
  "id": "ccbeceef99120bb416f750f3a149a28bb737685af58ad1531027fd6e147573f6",
  "url": "https://osv.dev/vulnerability/CVE-2018-20996",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20996",
    "summary": "An issue was discovered in the crossbeam crate before 0.4.1 for Rust. There is a double free because of destructor mishandling.",
    "evidence": "osv:CVE-2018-20996",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-20996",
      "aliases": [
        "CVE-2018-20996",
        "GHSA-c3cw-c387-pj65",
        "RUSTSEC-2018-0009"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/crossbeam-rs/crossbeam",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9607780fc7380118483af672a736da78f1e6f6ab"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:crossbeam_project:crossbeam:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.4.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.4.0",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "0.2.10"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20996.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.079912227Z",
      "provider": "osv",
      "references": [
        "https://rustsec.org/advisories/RUSTSEC-2018-0009.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20996",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438782,
  "published_at": "2019-08-26T18:15:11.607+00:00"
}