CVE-2026-12707 Unbounded path event queue growth in quiche via peer-driven source connection ID rotation

Summary Cloudflare quiche was discovered to be vulnerable to memory resource exhaustion due to unbounded queuing of post-handshake client migration events. Impact quiche supports the connection migration features described in Section 9 of RFC 9000, which allows a single QUIC connection to survive...

EUVD-2026-36462

Netty: QUIC stateless reset token material exposed through header-visible connection IDs...

CVE-2026-50009

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, Netty QUIC exposes the stateless reset token on the network path when using the default HMAC-based connection-ID and stateless-reset-token generators. The reset token for the...

CVE-2025-24946

The hash table used to manage connections in picoquic before b80fd3f uses a weak hash function, allowing remote attackers to cause a considerable CPU load on the server a Hash DoS attack by initiating connections with colliding Source Connection IDs SCIDs...

CVE-2025-24947

A hash collision vulnerability in the hash table used to manage connections in LSQUIC aka LiteSpeed QUIC before 4.2.0 allows remote attackers to cause a considerable CPU load on the server a Hash DoS attack by initiating connections with colliding Source Connection IDs SCIDs. This is caused by...