{"id":"CVE-2020-36217","aliases":["EUVD-2021-1824","GHSA-pphf-f93w-gc84","RUSTSEC-2020-0111"],"status":"published","title":"Data race in may_queue","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01126,"percentile":0.66716,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-662","CWE-787"],"published":"2020-11-10T12:00:00Z","modified":"2026-06-17T03:15:01Z","fixes":[{"ecosystem":"crates.io","package":"may_queue","fixed_in":["0.1.8"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"may_queue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.8"}]}]},{"source":"osv","ecosystem":"crates.io","package":"may_queue","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.1.8"}]}]},{"source":"osv","ecosystem":"crates.io","package":"may_queue","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.1.8"}]}]}],"products":[{"vendor":"may_queue_project","product":"may_queue"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2020-0111.html","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36217","tags":["advisory"]},{"url":"https://github.com/Xudong-Huang/may/issues/88","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-pphf-f93w-gc84"},{"url":"https://github.com/Xudong-Huang/may","tags":["package"]},{"url":"https://crates.io/crates/may_queue","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-36217","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","status":"published","published":"2021-01-22T09:04:27Z","modified":"2024-08-04T17:23:09.537Z","updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2021-1824","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","status":"published","published":"2021-01-22T09:04:27Z","modified":"2024-08-04T17:23:09Z","updated_at":"2026-11-03T03:07:03.484914Z"}],"ghsa":[{"id":"GHSA-pphf-f93w-gc84","title":"Data race in may_queue","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","status":"published","published":"2021-08-25T20:51:47Z","modified":"2023-01-09T05:05:35Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-662","CWE-787"],"updated_at":"2026-11-02T14:36:11.367194Z"}],"nvd":[{"id":"CVE-2020-36217","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","status":"published","published":"2021-01-26T18:15:56.457Z","modified":"2026-06-17T03:15:01.983Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-662","CWE-787"],"updated_at":"2026-11-02T14:06:30.596418Z"}],"osv":[{"id":"GHSA-pphf-f93w-gc84","title":"Data race in may_queue","description":"An issue was discovered in the may_queue crate through 2020-11-10 for Rust. Because Queue does not have bounds on its Send trait or Sync trait, memory corruption can occur.","status":"published","published":"2021-08-25T20:51:47Z","modified":"2024-10-25T21:35:35Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-662","CWE-787"],"updated_at":"2026-11-02T15:46:53.244788Z"},{"id":"RUSTSEC-2020-0111","title":"may_queue's Queue lacks Send/Sync bound for its Send/Sync trait.","description":"Affected versions of `may_queue` implements `Send`/`Sync` for its `Queue` type without restricting it to `Send`able types and `Sync`able types.\n\nThis allows non-`Sync` types such as `Cell` to be shared across threads leading to undefined behavior and memory corruption in concurrent programs.","status":"published","published":"2020-11-10T12:00:00Z","modified":"2024-10-25T18:45:36Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:39.492624Z"}]}}