Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-78998.json"