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The vulnerability description explicitly identifies the verify function in lib/elliptic/eddsa/index.js as missing critical signature validation checks (sig.S().gte(sig.eddsa.curve.n) || sig.S().isNeg()). The GitHub commit diff shows these exact checks were added to the verify function in the patch. The CWE-347 (Improper Verification of Cryptographic Signature) directly maps to this missing validation. The combination of vulnerability reports, CWE mapping, and patch confirmation provides high confidence in this assessment.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| elliptic | npm | < 6.5.6 | 6.5.6 |