Provide references for CVE-2020-5217.
Where can I find more information about CVE-2020-5217?
References are available at: https://github.com/twitter/secure_headers/security/advisories/GHSA-xq52-rv6w-397c, https://github.com/twitter/secure_headers/issues/418, https://github.com/twitter/secure_headers/pull/421, https://github.com/twitter/secure_headers/commit/936a160e3e9659737a9f9eafce13eea36b5c9fa3.