Provide references for CVE-2021-21412.
Where can I find more information about CVE-2021-21412?
References are available at: https://github.com/thi-ng/umbrella/security/advisories/GHSA-rj44-gpjc-29r7, https://github.com/thi-ng/umbrella/commit/88f61656e5f5cfba960013b8133186389efaf243, https://github.com/thi-ng/umbrella/blob/develop/packages/egf/CHANGELOG.md#040-2021-03-27, https://www.npmjs.com/package/%40thi.ng/egf.