The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.CreditsPhilippe Antoine (Catena cyber)Referenceshttps://go.dev/cl/709860https://go.dev/issue/75680https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bIhttps://pkg.go.dev/vuln/GO-2025-4006