Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.Creditsp4p3r (https://hackerone.com/p4p3r_hak)Referenceshttps://go.dev/issue/79217https://go.dev/cl/774481https://groups.google.com/g/golang-announce/c/tKs3rmcBcKwhttps://pkg.go.dev/vuln/GO-2026-5038
