{"cve":"CVE-2019-25003","nvd":{"published":"2020-12-31T10:15:14.300","modified":"2026-06-17T02:31:27.720","status":"Modified","description":"An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.","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:N/A:N","score":7.5},"cwes":[],"references":["https://rustsec.org/advisories/RUSTSEC-2019-0027.html","https://rustsec.org/advisories/RUSTSEC-2019-0027.html"],"products":["parity:libsecp256k1"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2019-25003","score":0.01703,"percentile":0.77262,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hrjm-c879-pp86","url":"https://osv.dev/vulnerability/GHSA-hrjm-c879-pp86","summary":"libsecp256k1 contains side-channel timing attack","modified":"2023-11-08T04:01:32.045348Z","packages":[{"ecosystem":"crates.io","name":"libsecp256k1","purl":"pkg:cargo/libsecp256k1","ranges":["<0.3.1"],"fixed":["0.3.1"]}]},{"id":"RUSTSEC-2019-0027","url":"https://osv.dev/vulnerability/RUSTSEC-2019-0027","summary":"Flaw in Scalar::check_overflow allows side-channel timing attack","modified":"2023-11-08T04:01:32.045348Z","packages":[{"ecosystem":"crates.io","name":"libsecp256k1","purl":"pkg:cargo/libsecp256k1","ranges":[">=0.0.0-0 <0.3.1"],"fixed":["0.3.1"]}]}],"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."]}