Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.
An arbitrary command execution flaw was found in the way Go's "go get" command handled the checkout of source code repositories. A remote attacker capable of hosting malicious repositories could potentially use this flaw to cause arbitrary command execution on the client side. (CVE-2017-15041)
It was found that smtp.PlainAuth authentication scheme in Go did not verify the TLS requirement properly. A remote man-in-the-middle attacker could potentially use this flaw to sniff SMTP credentials sent by a Go application. (CVE-2017-15042)