Provide references for CVE-2021-32773.
Where can I find more information about CVE-2021-32773?
References are available at: https://github.com/racket/racket/security/advisories/GHSA-cgrw-p7p7-937c, https://github.com/racket/racket/commit/6ca4ffeca1e5877d44f835760ad89f18488d97e1.