Nouns NFT owner delegating voting power to the zero-address will lock all owned Nouns forever

Lines of code Vulnerability details Impact Nouns NFTs represent governance voting power by having the NounsToken contract inherit the ERC721Checkpointable contract. The ERC721Checkpointable contract is based on the Comp.sol implementation by Compound. One of the modifications is not needing to...

no one can create a proposal by calling propose() or voting on any proposal

Lines of code Vulnerability details Impact -The users could not create a proposal by invoking propose -The users could not be voting on any proposal by invoking castVoteBySig, castVoteWithReason, castRefundableVoteInternal,castRefundableVoteWithReason, castRefundableVote and castVote -The propose...

delegate to zero address can make user lose their votes forever

Lines of code Vulnerability details Impact Function delegatedelegatee will delegates votes from msg.sender to delegatee. In case delegatee = address0, it mean msg.sender wanna vote to himself. // url =...