PT-2026-55087

Impact The QUIC client did not authenticate the server during the TLS 1.3 handshake. The CertificateVerify signature was not checked, the certificate chain was not validated, and the hostname was not compared against the certificate, so verify was effectively a no-op on the client. A...

quic-go: Panic occurs when queuing undecryptable packets after handshake completion

Summary A misbehaving or malicious server can trigger an assertion in a quic-go client and crash the process by sending a premature HANDSHAKEDONE frame during the handshake. Impact A misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an...

CVE-2025-29785

A flaw was found in quic-go. This vulnerability allows a malicious QUIC client to cause a nil-pointer dereference, leading to an application-level denial of service via specially crafted ACK packets following spoofed path validation probes. Mitigation Mitigation for this issue is either not...