LowGHSA-977x-g7h5-7qgwCVE-2024-42460

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

Published 2 Aug 2024 · Updated 4 Nov 2025

Affected package

ellipticnpm
Affected
>=2.0.0 <6.5.7
Fixed in
6.5.7
Update to the fixed version for your release line, for example:npm install elliptic@6.5.7

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.

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.