{"id":"CVE-2024-42460","aliases":["GHSA-977x-g7h5-7qgw"],"url":"https://o3.security/vulnerability/CVE-2024-42460","summary":"Elliptic's ECDSA missing check for whether leading bit of r and s is zero","details":"In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.","published":"2024-08-02T00:00:00Z","modified":"2026-08-12T03:51:27.123261037Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.00459,"percentile":0.38467,"asOf":"2026-09-09"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"elliptic","fixedVersion":"6.5.7"}],"fix":{"url":"https://github.com/indutny/elliptic/pull/317","label":"indutny/elliptic#317"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42460.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42460"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20241004-0005/"},{"type":"FIX","url":"https://github.com/indutny/elliptic/pull/317"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:27.123261037Z"}}