EUVD-2025-34686

gnark-crypto doesn't range check input values during ECDSA and EdDSA signature deserialization...

gnark-crypto doesn't range check input values during ECDSA and EdDSA signature deserialization

Impact During deserialization of ECDSA and EdDSA signatures gnark-crypto did not check that the values are in the range 1, n-1 with n being the corresponding modulus either base field modulus in case of R in EdDSA, and scalar field modulus in case of s,r in ECDSA and s in EdDSA. As this also...

GHSA-FR8M-434R-G3XP gnark-crypto doesn't range check input values during ECDSA and EdDSA signature deserialization

Impact During deserialization of ECDSA and EdDSA signatures gnark-crypto did not check that the values are in the range 1, n-1 with n being the corresponding modulus either base field modulus in case of R in EdDSA, and scalar field modulus in case of s,r in ECDSA and s in EdDSA. As this also...

Duplicate

This advisory duplicates another...

Duplicate Advisory: Consensys gnark-crypto allows Signature Malleability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-fr8m-434r-g3xp. This link is maintained to preserve external references. Original Description Consensys gnark-crypto through 0.11.2 allows Signature Malleability. This occurs because deserialisation of EdDSA and...