Provide references for CVE-2020-5209.
Where can I find more information about CVE-2020-5209?
References are available at: https://github.com/NetHack/NetHack/commit/f3def5c0b999478da2d0a8f0b6a7c370a2065f77, https://github.com/NetHack/NetHack/security/advisories/GHSA-fw72-r8xm-45p8.