Non-random values for ticket_age_add in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can observe TLS handshakes to correlate successive connections by comparing ticket ages during session resumption.
https://pkg.go.dev/vuln/GO-2022-0531
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ
https://go.googlesource.com/go/+/fe4de36198794c447fbd9d7cc2d7199a506c76a5