H2o Quicly
6 CVEs affecting H2o Quicly. Latest disclosed: 2026-07-16. Critical: 0, High: 4.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-44436 | High | 7.5 | 2026-07-16 | Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, Quicly is vulnerable to a Denial… |
CVE-2026-44435 | High | 7.5 | 2026-07-16 | Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised w… |
CVE-2025-61684 | High | 7.5 | 2026-01-19 | Quicly, an IETF QUIC protocol implementation, is susceptible to a denial-of-service attack prior to commit d9d3df6a8530a102b57d840e39b0311ce5c9e14e. A remote a… |
CVE-2024-45396 | High | 7.5 | 2024-10-11 | Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these… |
CVE-2026-44434 | Medium | 5.3 | 2026-07-16 | Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit dccf5d4, Quicly was vulnerable to statele… |
CVE-2026-44433 | Medium | 5.3 | 2026-07-16 | Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, an adversarial peer could send a… |