Provide references for CVE-2021-21291.
Where can I find more information about CVE-2021-21291?
References are available at: https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-4mf2-f3wh-gvf2, https://github.com/oauth2-proxy/oauth2-proxy/releases/tag/v7.0.0, https://pkg.go.dev/github.com/oauth2-proxy/oauth2-proxy/v7, https://github.com/oauth2-proxy/oauth2-proxy/commit/780ae4f3c99b579cb2ea9845121caebb6192f725.