CVE-2020-13822

The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading ‘’ bytes, or integer overflows. This could conceivably have a security-relevant impact if an application relied on a single canonical signature.

Date published : 2020-06-04

https://github.com/indutny/elliptic/issues/226

https://medium.com/@herman_10687/malleability-attack-why-it-matters-7b5f59fb99a4