What’s Vulnerable › Products
h2o quicly vulnerabilities
5 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 5 published in the last 12 months.
Check whether your h2o quicly version is affected
Latest h2o quicly vulnerabilities
- CVE-2026-44436 — Quicly is vulnerable to connection state corruption (CVSS 7.5)
- CVE-2026-44435 — Quicly: Remote Denial of Service via assertion failure when CRYPTO stream handshake data exceeds 32KB (CVSS 7.5)
- CVE-2026-44434 — Quicly is vulnerable to stateless reset injection (CVSS 5.3)
- CVE-2026-44433 — Quicly is vulnerable to memory exhaustion (CVSS 7.5)
- CVE-2025-61684 — Quicly has assertion failures (CVSS 7.5)