CVE-2025-23020 Information

Description

An issue was discovered in Kwik before 0.10.1. A hash collision vulnerability (in the hash table used to manage connections) 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).

Reference

https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory https://github.com/ptrd/kwik/releases/tag/v0.10.1