RUSTSEC-2024-0373: 
Rust vulnerability analysis and mitigation

In 0.11.0, we overhauled the server-side Endpoint implementation to enable more careful handling of incoming connection attempts. However, some of the code paths that cleaned up state after connection attempts were processed confused the initial destination connection ID with the destination connection ID of a substantial package. This resulted in the internal Endpoint state becoming inconsistent, which could then lead to a panic. https://github.com/quinn-rs/quinn/commit/e01609ccd8738bd438d86fa7185a0f85598cb58f Thanks to @finbear for reporting and investingating, and to @BiagoFesta for coordinating.