CVE-2025-23020 – Kwik Hash DoS

The following table lists the changes that have been made to the
CVE-2025-23020 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Feb. 20, 2025

    Action Type Old Value New Value
    Added 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).
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-407
    Added Reference https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
    Added Reference https://github.com/ptrd/kwik/releases/tag/v0.10.1
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