A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.
https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/
https://nodejs.org/en/blog/vulnerability/november-2020-security-releases/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BEJBY3RJB3XWUOJFGZM5E3EMQ7MFM3UT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7WH7W46OZSEUHWBHD7TCH3LRFY52V6Z/
https://security.gentoo.org/glsa/202012-11
https://security.gentoo.org/glsa/202101-07
https://hackerone.com/reports/1033107
https://hackerone.com/reports/1033107
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8277