Description

Quicly, an IETF QUIC protocol implementation, is susceptible to a denial-of-service attack prior to commit d9d3df6a8530a102b57d840e39b0311ce5c9e14e. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using Quicly. Commit d9d3df6a8530a102b57d840e39b0311ce5c9e14e fixes the issue.

INFO

Published Date :

2026-01-19T15:18:11.398Z

Last Modified :

2026-01-20T15:49:59.004Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-61684 vulnerability.

Vendors Products
H20
  • Quickly
H2o
  • Quicly
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-61684.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact