In NetHack before 3.6.6, some out-of-bound values for the hilite_status option can be exploited. NetHack 3.6.6 resolves this issue.
{ "versions": [ { "introduced": "3.6.1" }, { "fixed": "3.6.6" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-5254.json"