{"cve":"CVE-2021-29932","nvd":{"published":"2021-04-01T05:15:14.420","modified":"2026-06-17T03:48:27.800","status":"Modified","description":"An issue was discovered in the parse_duration crate through 2021-03-18 for Rust. It allows attackers to cause a denial of service (CPU and memory consumption) via a duration string with a large exponent.","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-770"],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0041.html","https://rustsec.org/advisories/RUSTSEC-2021-0041.html"],"products":["parse_duration_project:parse_duration"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-29932","score":0.01016,"percentile":0.63312,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-qpgv-g792-wh6x","url":"https://osv.dev/vulnerability/GHSA-qpgv-g792-wh6x","summary":"Uncontrolled Resource Consumption in parse_duration","modified":"2023-11-08T03:56:44.037848Z","packages":[{"ecosystem":"crates.io","name":"parse_duration","purl":"pkg:cargo/parse_duration","ranges":["<=2.1.1"],"fixed":[]}]},{"id":"RUSTSEC-2021-0041","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0041","summary":"Denial of service through parsing payloads with too big exponent","modified":"2023-11-08T03:56:44.037848Z","packages":[{"ecosystem":"crates.io","name":"parse_duration","purl":"pkg:cargo/parse_duration","ranges":[">=0.0.0-0"],"fixed":[]}]}],"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."]}