What is CVE-2025-14505?

CVE-2025-14505 is a medium-severity vulnerability in Elliptic, classified under CWE-1240. CVSS score: 5.6/10. Published 2026-01-08.

How severe is CVE-2025-14505?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Vulnerability in Elliptic

CVE-2025-14505

The ECDSA implementation of the Elliptic package generates incorrect signatures if an interim value of 'k' (as computed based on step 3.2 of RFC 6979 https://datatracker.ietf.org/doc/html/rfc6979 ) has leading zeros and is susceptible to…

EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Elliptic — versions <=6.6.1

Weakness classification (CWE)

CWE-1240

References

www.herodevs.com/vulnerability-directory/cve-2025-14505 (third-party-advisory)
github.com/indutny/elliptic/issues/321 (issue-tracking, exploit)

Frequently asked questions

What is CVE-2025-14505?: CVE-2025-14505 is a medium-severity vulnerability in Elliptic, classified under CWE-1240. CVSS score: 5.6/10. Published 2026-01-08.
How severe is CVE-2025-14505?: Medium severity. CVSS v3 base score is 5.6 out of 10.