maven package report

Is io.netty:netty-codec-http3 safe?

4 known vulnerabilities, worst severity HIGH.

cvss
7.5

how bad it is if exploited, out of 10

epss
0.50%

chance of exploitation in the next 30 days

xyz score
3.4

CyberXYZ composite, out of 10

fig. 01 — GHSA-hpcc-26xq-25fv, the advisory selected below

// advisories

GHSA-hpcc-26xq-25fv

HIGHCVE-2026-56816

Netty's Http3FrameCodec buffers incoming data for HTTP/3 reserved frame types up to the specified payload length without any limits. The payload length is read directly from the wire and trusted without validation. A bad actor can send a reserved frame with a payload length of up to Integer.MAXVALUE, causing the server to buffer the data in memory. This leads to an OOM and a gradual Denial of Serv

Affected
< 4.2.16.Final
Fixed in
4.2.16.Final
Weakness
CWE-400
Published
2026-07-22
Source
github

GHSANVDMITREreferencereferencereference

// dependencies

0 direct

Sign in for dependency paths and remediation

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so maven packages are not covered.

Checked 2026-09-22 at 03:32 UTC. The most recent advisory here was published 2026-07-22. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is io.netty:netty-codec-http3 safe? maven package security report | CyberXYZ