{"cve":"CVE-2021-45706","nvd":{"published":"2021-12-27T00:15:09.900","modified":"2026-06-17T04:13:59.260","status":"Modified","description":"An issue was discovered in the zeroize_derive crate before 1.1.1 for Rust. Dropped memory is not zeroed out for an enum.","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":["CWE-459"],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/zeroize_derive/RUSTSEC-2021-0115.md","https://rustsec.org/advisories/RUSTSEC-2021-0115.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/zeroize_derive/RUSTSEC-2021-0115.md","https://rustsec.org/advisories/RUSTSEC-2021-0115.html"],"products":["zeroize_derive_project:zeroize_derive"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45706","score":0.0123,"percentile":0.68947,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-c5hx-w945-j4pq","url":"https://osv.dev/vulnerability/GHSA-c5hx-w945-j4pq","summary":"Memory flaw in zeroize_derive","modified":"2023-11-08T04:07:22.993048Z","packages":[{"ecosystem":"crates.io","name":"zeroize_derive","purl":"pkg:cargo/zeroize_derive","ranges":["<1.1.1"],"fixed":["1.1.1"]}]},{"id":"RUSTSEC-2021-0115","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0115","summary":"`#[zeroize(drop)]` doesn't implement `Drop` for `enum`s","modified":"2023-11-08T04:07:22.993048Z","packages":[{"ecosystem":"crates.io","name":"zeroize_derive","purl":"pkg:cargo/zeroize_derive","ranges":[">=0.0.0-0 <1.1.1"],"fixed":["1.1.1"]}]}],"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."]}