CVEvulnerability

CVE-2025-61684

7.5 HIGH Published 2026-01-19 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-01-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-20, CWE-617

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.

Affected configurations

• h2o quicly (< 2026-01-18)

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-617 Reachable Assertion weakness

References