{"cve":"CVE-2020-36438","nvd":{"published":"2021-08-08T06:15:07.047","modified":"2026-06-17T03:15:29.563","status":"Modified","description":"An issue was discovered in the tiny_future crate before 0.4.0 for Rust. Future<T> does not have bounds on its Send and Sync traits.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-362"],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tiny_future/RUSTSEC-2020-0118.md","https://rustsec.org/advisories/RUSTSEC-2020-0118.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tiny_future/RUSTSEC-2020-0118.md","https://rustsec.org/advisories/RUSTSEC-2020-0118.html"],"products":["tiny_future_project:tiny_future"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2020-36438","score":0.00766,"percentile":0.55484,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-fg42-vwxx-xx5j","url":"https://osv.dev/vulnerability/GHSA-fg42-vwxx-xx5j","summary":"Data race in tiny_future","modified":"2023-11-08T04:03:44.842730Z","packages":[{"ecosystem":"crates.io","name":"tiny_future","purl":"pkg:cargo/tiny_future","ranges":["<0.4.0"],"fixed":["0.4.0"]}]},{"id":"GHSA-m296-j53x-xv95","url":"https://osv.dev/vulnerability/GHSA-m296-j53x-xv95","summary":"Data races in tiny_future","modified":"2023-11-08T04:03:44.842730Z","packages":[{"ecosystem":"crates.io","name":"tiny_future","purl":"pkg:cargo/tiny_future","ranges":["<0.4.0"],"fixed":["0.4.0"]}]},{"id":"RUSTSEC-2020-0118","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0118","summary":"Future<T> lacks bounds on Send and Sync.","modified":"2023-11-08T04:03:44.842730Z","packages":[{"ecosystem":"crates.io","name":"tiny_future","purl":"pkg:cargo/tiny_future","ranges":[">=0.0.0-0 <0.4.0"],"fixed":["0.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}