Provide references for CVE-2021-31547.
Where can I find more information about CVE-2021-31547?
References are available at: https://phabricator.wikimedia.org/T223654, https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d, https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75.