ERC20Votes tokens has maximum token supply capped at type(uint208).max approving type(uint256).max in ERC20ProxyDelegator will cause overflow

Lines of code Vulnerability details Impact Maximum token supply in OpenZeppelin ERC20Votes.sol. Defaults to typeuint208.max 2^208^ - 1. This maximum is enforced in update. It limits the total supply of the token, which is otherwise a uint256, so that checkpoints can be stored in the Trace208...

ENS (ERC20Votes) token transferred to the proxy contract will be lost forever.

Lines of code Vulnerability details Impact ENS ERC20Votes token transferred to the proxy contract will be lost forever. As delegation amount is out of sync with the ERC1155 balance if the ENS token is transferred to the proxy contract. Proof of Concept When the user delegates 100 tokens to A, the...

OpenZeppelin 's recent v5.0.0 release includes many changes to libraries/contracts that can directly affect ERC20MultiDelegate functionality

Lines of code Vulnerability details Impact OpenZeppelin just released v5.0.0, and there happen to be several significant changes that directly affect the ERC20MultiDelegate implementation, directly and indirectly, via packages used and inherited from. Here’s a link to the release: Below is a...