accept() can be delayed or gas-griefed by burning a governance NFT

Lines of code Vulnerability details Impact Rage quitting or burning a token will set the lastBurnTimestamp to the current block's timestamp. This disables accept for the rest of the transactions in the block. This bug can be abused to either gas-grief or delay acceptance of proposals long enough...

Votes which guarantee a majority for-vote can still result in a defeated proposal

Lines of code Vulnerability details Impact The current quorum logic in NounsDAOLogicV2.sol and NounsDAOLogicV1.sol seems undesirable. High, even complete, voter turnout may still not favour a majority for-vote, while a majority against-vote always wins, no matter how low the turnout is even zero...