Provide references for CVE-2021-21705.
Where can I find more information about CVE-2021-21705?
References are available at: https://bugs.php.net/bug.php?id=81122, https://www.oracle.com/security-alerts/cpujan2022.html, https://security.netapp.com/advisory/ntap-20211029-0006/, https://security.gentoo.org/glsa/202209-20.