{"action":"Upgrade crossbeam to 0.4.1 or later.","affected":[{"fixed":"0.4.1","introduced":"0.4.0"}],"component":"crossbeam","cve_ids":["CVE-2018-20996"],"ecosystem":"crates.io","epss":0.01744,"exploited":false,"fixed_versions":["0.4.1"],"ghsa_id":"GHSA-c3cw-c387-pj65","id":"tcs_01M5KF55Y160Q36ZFZZ17YF9AX","modified_at":"2026-07-17T16:00:03.218984728Z","published_at":"2018-12-09T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2018-0009","https://crates.io/crates/crossbeam","https://rustsec.org/advisories/RUSTSEC-2018-0009.html","https://github.com/crossbeam-rs/crossbeam-epoch/issues/82"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"RUSTSEC-2018-0009","url":"https://osv.dev/vulnerability/RUSTSEC-2018-0009"}],"summary":"MsQueue and SegQueue suffer from double-free"}