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CVE-2026-44435

—
CVSS 3.1
7.5 high
EPSS
<1%p40
Published
()
Modified
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.

Vendors
h2o
Products
quicly
Weakness
CWE-400, CWE-617
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news

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