MultiRewardEscrow.claimRewards() can break for rebasing tokens

Lines of code Vulnerability details Rebasing tokens make balanceOf modifications arbitrarily e.g: Aave share tokens. If such token is used in an escrow, the balance could become insufficient at the time of claiming rewards, making it impossible to claim rewards for that escrow. Impact Medium Proo...

Overflow in _baseVestedAmount() prevents claims to be retrieved

Lines of code Vulnerability details Impact Rewards of high value will be unable to be withdrawn since claimableAmount will revert. Proof of Concept In line 176, if we assume there's a claim of a token with 18 decimals and a vesting of 1 year, which is a realistic vesting period that can be observ...