From an Ars Technica report about this [1], citing the researchers: "Overall, the attack is very situational and targets individual users," Brinkmann said. "So

From an Ars Technica report about this [1], citing the researchers: "Overall, the attack is very situational and targets individual users," Brinkmann said. "So, the individual risk for users is probably not very high. But over time, more and more services and protocols are protected with TLS, and more opportunities for new attacks that follow the same pattern arise. We think it's timely and important to mitigate these issues at the standardization level before it becomes a larger problem." [1] https://arstechnica.com/gadgets/2021/06/hackers-can-mess-with-https-connections-by-sending-data-to-your-email-server/ https://arstechnica.com/gadgets/2021/06/hackers-can-mess-wit...