OpenJPEG 2.5.1 has been released
   https://groups.google.com/g/openjpeg/c/othStX49Yc8
and includes a fix
   https://github.com/uclouvain/openjpeg/pull/1509
for CVE-2021-3575.
-- 
Andrew C. Aitchison                      Kendal, UK
                    andrew at aitchison.me.uk