{"cve":"CVE-2020-25574","nvd":{"published":"2020-09-14T19:15:11.333","modified":"2026-06-17T03:06:54.850","status":"Modified","description":"An issue was discovered in the http crate before 0.1.20 for Rust. An integer overflow in HeaderMap::reserve() could result in denial of service (e.g., an infinite loop).","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-190","CWE-835"],"references":["https://github.com/hyperium/http/issues/352","https://rustsec.org/advisories/RUSTSEC-2019-0033.html","https://github.com/hyperium/http/issues/352","https://rustsec.org/advisories/RUSTSEC-2019-0033.html"],"products":["hyper:http"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-25574","score":0.02529,"percentile":0.84904,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x7vr-c387-8w57","url":"https://osv.dev/vulnerability/GHSA-x7vr-c387-8w57","summary":"Integer Overflow/Infinite Loop in the http crate","modified":"2026-09-10T03:49:15.774183736Z","packages":[{"ecosystem":"crates.io","name":"http","purl":"pkg:cargo/http","ranges":["<0.1.20"],"fixed":["0.1.20"]}]},{"id":"RUSTSEC-2019-0033","url":"https://osv.dev/vulnerability/RUSTSEC-2019-0033","summary":"Integer Overflow in HeaderMap::reserve() can cause Denial of Service","modified":"2023-11-08T04:01:32.294723Z","packages":[{"ecosystem":"crates.io","name":"http","purl":"pkg:cargo/http","ranges":[">=0.0.0-0 <0.1.20"],"fixed":["0.1.20"]}]}],"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."]}