Elliptic's ECDSA missing check for whether leading bit of r and s is zero

Description

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.

Recommendation

Update the elliptic package to the latest compatible version. Followings are version details:

• Affected version(s): >= 2.0.0, <= 6.5.6
• Patched version(s): 6.5.7

References

• GHSA-977x-g7h5-7qgw
• security.netapp.com
• CVE-2024-42460
• CWE-130
• CAPEC-310
• OWASP 2021-A6

Related Issues

• jsdiff has a Denial of Service vulnerability in parsePatch and applyPatch - CVE-2026-24001
• vue-template-compiler vulnerable to client-side Cross-Site Scripting (XSS) - CVE-2024-6783
• LangChain serialization injection vulnerability enables secret extraction - CVE-2025-68665
• Valid ECDSA signatures erroneously rejected in Elliptic - CVE-2024-48948

Tags:

npm

elliptic