Provide references for CVE-2021-23556.
Where can I find more information about CVE-2021-23556?
References are available at: https://github.com/Guake/guake/issues/1796, https://snyk.io/vuln/SNYK-PYTHON-GUAKE-2386334, https://github.com/Guake/guake/pull/2017, https://github.com/Guake/guake/pull/2017/commits/e3d671120bfe7ba28f50e256cc5e8a629781b888, https://github.com/Guake/guake/releases.