Provide references for CVE-2021-28855.
Where can I find more information about CVE-2021-28855?
References are available at: https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/, https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb.