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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| elliptic(npm) | 4.0.0 | 6.5.7 | N/A |
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