CVE-2020-36401
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
Date published : 2021-06-30
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml