Provide references for CVE-2021-32807.
Where can I find more information about CVE-2021-32807?
References are available at: https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-qcx9-j53g-ccgf, https://github.com/zopefoundation/AccessControl/commit/b42dd4badf803bb9fb71ac34cd9cb0c249262f2c, https://github.com/zopefoundation/AccessControl/blob/master/CHANGES.rst#51-2021-07-30.