HIGHVulnerability

CVE-2026-44435

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.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-44435
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
published_at
2026-07-16T23:16:17.010
last_modified
2026-08-06T13:46:55.503

Related Entities (4)

HAS_WEAKNESS (2)

[Weakness]Reachable Assertion
[Weakness]Uncontrolled Resource Consumption

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (1)

[Product]

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