A vulnerability was found in Ruby up to 4.0.4 . It has been rated as problematic . This impacts the function rb_getaddrinfo of the file ext/socket/raddrinfo.c of the component Authoritative Handler . Performing a manipulation results in race condition. This vulnerability was named CVE-2026-46727 . The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.