CVE-2022-31198 – GovernorVotesQuorumFraction updates to quorum may affect past defeated proposals in @openzeppelin/contracts

https://notcve.org/view.php?id=CVE-2022-31198

01 Aug 2022 — OpenZeppelin Contracts is a library for secure smart contract development. This issue concerns instances of Governor that use the module `GovernorVotesQuorumFraction`, a mechanism that determines quorum requirements as a percentage of the voting token's total supply. In affected instances, when a proposal is passed to lower the quorum requirements, past proposals may become executable if they had been defeated only due to lack of quorum, and the number of votes it received meets the new quorum requirement. ... • https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3561 • CWE-682: Incorrect Calculation •