highLogic errorEVM-Solidity
Ethereum Fusaka Upgrade: Weak Fiat-Shamir in `c-kzg-4844.verify_cell_kzg_proof_batch `
- Payout
- $0
- Protocol
- Ethereum Fusaka Upgrade
- Disclosed
- Oct 13, 2025
- Source
- sherlock
The c-kzg-4844 library's verify_cell_kzg_proof_batch function computes its Fiat-Shamir challenge over the original non-deduplicated commitments array while using the shortened, deduplicated commitment count. When commitments repeat in a batch, the trailing com …
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