Onigmo through 6.2.0 has a NULL pointer dereference in onigerrorcodetostr because of fetch_token in regparse.c.
{ "versions": [ { "introduced": "0" }, { "last_affected": "6.2.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16161.json"