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CVE-2026-44435

Quicly

Description

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 when the total number of valid handshake messages received over a CRYPTO stream of a single packet number space exceeds 32KB, causing a Denial of Service. This issue has been fixed by commit 937d0e9.

CVSS 7.5EPSS 0.27799999999999997%Risk 0.77
View source
Published
2026-07-16 23:16:17
Affected versions
unknown
Type
Library
Last modified
2026-08-06 13:46:55
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H