Elliptic's ECDSA missing check for whether leading bit of r and s is zero
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | elliptic | >= 2.0.0, < 6.5.7 | 6.5.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-42460
- https://github.com/indutny/elliptic/pull/317
- https://github.com/indutny/elliptic/commit/accb61e9c1a005e5c8ff96a8b33893100bb42d11
- https://github.com/indutny/elliptic/commit/b6ff1758d9a6d1a7aec177ff6df9f586492a6315
- https://github.com/indutny/elliptic
- https://security.netapp.com/advisory/ntap-20241004-0005
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-130- Platform
- npm
- Package
elliptic- Disclosed
- 02.08.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-977x-g7h5-7qgw - CC BY 4.0
Vulnerability history: elliptic
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 9
- First → latest
- 07.2020 01.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 1
- Low 6
Disclosures per year
- 2020: 1
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 5
- 2025: 1
- 2026: 1
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Elliptic's ECDSA missing check for whether leading bit of r and s is zero this entry
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