{"cve":"CVE-2021-45705","nvd":{"published":"2021-12-27T00:15:09.857","modified":"2026-06-17T04:13:59.147","status":"Modified","description":"An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md","https://rustsec.org/advisories/RUSTSEC-2021-0114.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md","https://rustsec.org/advisories/RUSTSEC-2021-0114.html"],"products":["nanorand_project:nanorand"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45705","score":0.0123,"percentile":0.68955,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p6gj-gpc8-f8xw","url":"https://osv.dev/vulnerability/GHSA-p6gj-gpc8-f8xw","summary":"Aliased mutable references from `tls_rand` & `TlsWyRand`","modified":"2023-11-08T04:07:22.929289Z","packages":[{"ecosystem":"crates.io","name":"nanorand","purl":"pkg:cargo/nanorand","ranges":[">=0.5.0 <0.6.1"],"fixed":["0.6.1"]}]},{"id":"GHSA-r57r-j98g-587f","url":"https://osv.dev/vulnerability/GHSA-r57r-j98g-587f","summary":"Pointer dereference in nanorand","modified":"2023-11-08T04:07:22.929289Z","packages":[{"ecosystem":"crates.io","name":"nanorand","purl":"pkg:cargo/nanorand","ranges":[">=0.5.0 <0.6.1"],"fixed":["0.6.1"]}]},{"id":"RUSTSEC-2021-0114","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0114","summary":"Aliased mutable references from `tls_rand` & `TlsWyRand`","modified":"2023-11-08T04:07:22.929289Z","packages":[{"ecosystem":"crates.io","name":"nanorand","purl":"pkg:cargo/nanorand","ranges":[">=0.5.0 <0.6.1"],"fixed":["0.6.1"]}]}],"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."]}