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h2oai

Records53All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical10CVSS 9.0–10.0
CVSS high28CVSS 7.0–8.9

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h2oai records in CISA KEV

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Records

5 records in Quicly · all components

Priority LOW 39

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00488 Published 2026-07-16 Fixed in 8b178e6 CWE-400
Priority LOW 39

Quicly, an IETF QUIC protocol implementation, is susceptible to a denial-of-service attack prior to commit d9d3df6a8530a102b57d840e39b0311ce5c9e14e.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00395 Published 2026-01-19 No fix listed CWE-20
Priority LOW 29

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server.

CVSS 3.1MEDIUM 5.3 Network No auth No interaction EPSS 0.00209 Published 2026-07-16 No fix listed CWE-345
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