Security update for go1.27

This update for go1.27 fixes the following issues: go1.27.0 released 2026-08-19 is a major release of Go. go1.27.x minor releases will be provided through August 2027. https://github.com/golang/go/wiki/Go-Release-Cycle go1.27 arrives six months after Go 1.26. Most of its changes are in the...