Ask HN: How can a game with big vulnerability can be still sold?

https://www.cvedetails.com/cve/CVE-2018-10718 https://www.cvedetails.com/cve/CVE-2019-20893/

https://steamcommunity.com/id/Wackiiy/recommended/10180/

or is this a past thing and fixed? I have not found any info about that it has been fixed.