{"id":"CVE-2019-25003","aliases":["GHSA-hrjm-c879-pp86","RUSTSEC-2019-0027"],"url":"https://o3.security/vulnerability/CVE-2019-25003","summary":"libsecp256k1 contains side-channel timing attack","details":"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.","published":"2020-12-31T10:15:14.300Z","modified":"2026-03-14T09:36:53.758881Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"libsecp256k1","fixedVersion":"0.3.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2019-0027.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-14T09:36:53.758881Z"}}