Provide references for CVE-2021-23158.
Where can I find more information about CVE-2021-23158?
References are available at: https://github.com/michaelrsweet/htmldoc/issues/414, https://bugzilla.redhat.com/show_bug.cgi?id=1967018, https://github.com/michaelrsweet/htmldoc/commit/369b2ea1fd0d0537ba707f20a2f047b6afd2fbdc.