Provide references for CVE-2021-23509.
Where can I find more information about CVE-2021-23509?
References are available at: https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291, https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165, https://github.com/flitbit/json-ptr/pull/42, https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca, https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved.