CVE-2020-36843

The implementation of EdDSA in EdDSA-Java aka ed25519-java through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA Strong Existential Unforgeability under Chosen Message Attacks property. This allows attackers to create new valid signatures different from previous signature...

GHSA-F7Q4-PWC6-W24P Elliptic's EDDSA missing signature length check

In the Elliptic package 6.5.6 for Node.js, EDDSA signature malleability occurs because there is a missing signature length check, and thus zero-valued bytes can be removed or appended...