User can delegate to address(0) in ARCDVestingVault thereby increasing address(0) VotingPower

Lines of code Vulnerability details Impact There is no zero address check in the delegate function in ARCDVestingVault contract. This allows address0 to be able to accumulate VotingPower. Proof of Concept 1. In ARCDVestingVault.delegate, Alice calls the function with voting Power 100e18 and...

ARCDVestingVault._syncVotingPower could revert if newVotingPower is big enough.

Lines of code Vulnerability details Impact ARCDVestingVault.syncVotingPower calculate the change in voting power using int256newVotingPower - int256grant.latestVotingPower. If newVotingPower is greater than typeint256.max, ARCDVestingVault.syncVotingPower could revert. Proof of Concept...