{"id":"CVE-2018-20996","aliases":["GHSA-c3cw-c387-pj65","RUSTSEC-2018-0009"],"url":"https://o3.security/vulnerability/CVE-2018-20996","summary":"Double free in crossbeam","details":"An issue was discovered in the crossbeam crate before 0.4.1 for Rust. There is a double free because of destructor mishandling.","published":"2019-08-26T18:15:11.607Z","modified":"2026-07-08T19:01:34.202604Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"crossbeam","fixedVersion":"0.4.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2018-0009.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:01:34.202604Z"}}