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High 7.5
Hysteria: http large header with sniff cause server DoS
### Summary Sending an excessively large header by an attacker could lead to a server-side DoS attack. ### Details The current sniff implementation does not explicitly specify the upper limit for HTTP headers. Attackers can continuously send excessively large…
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High 7.5
Hysteria vulnerable to server crash when max_datagram_frame_size very small
### Summary An authenticated client can crash the Hysteria server by advertising a very small QUIC `max_datagram_frame_size` and then triggering a UDP response from the server. When the server tries to send the UDP response back via QUIC DATAGRAM, quic-go ret…