{"cve":"CVE-2020-36215","nvd":{"published":"2021-01-26T18:15:56.333","modified":"2026-06-17T03:15:01.707","status":"Modified","description":"An issue was discovered in the hashconsing crate before 1.1.0 for Rust. Because HConsed does not have bounds on its Send trait or Sync trait, memory corruption can occur.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-662","CWE-787"],"references":["https://rustsec.org/advisories/RUSTSEC-2020-0107.html","https://rustsec.org/advisories/RUSTSEC-2020-0107.html"],"products":["hashconsing_project:hashconsing"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-36215","score":0.01377,"percentile":0.72079,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rw2c-c256-3r53","url":"https://osv.dev/vulnerability/GHSA-rw2c-c256-3r53","summary":"Data races in hashconsing","modified":"2023-11-08T04:03:41.965428Z","packages":[{"ecosystem":"crates.io","name":"hashconsing","purl":"pkg:cargo/hashconsing","ranges":["<1.1.0"],"fixed":["1.1.0"]}]},{"id":"RUSTSEC-2020-0107","url":"https://osv.dev/vulnerability/RUSTSEC-2020-0107","summary":"hashconsing's HConsed lacks Send/Sync bound for its Send/Sync trait.","modified":"2023-11-08T04:03:41.965428Z","packages":[{"ecosystem":"crates.io","name":"hashconsing","purl":"pkg:cargo/hashconsing","ranges":[">=0.0.0-0 <1.1.0"],"fixed":["1.1.0"]}]}],"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."]}