crpyto/tls in Go 1.1 before 1.3.2, when SessionTicketsDisabled is enabled, allows man-in-the-middle attackers to spoof clients via unspecified vectors.
https://groups.google.com/forum/#%21msg/golang-nuts/eeOHNw_shwU/OHALUmroA5kJ
https://exchange.xforce.ibmcloud.com/vulnerabilities/96693