maven package report

Is io.netty:netty safe?

10 known vulnerabilities, worst severity CRITICAL.

cvss

9.0

how bad it is if exploited, out of 10

epss

8.9%

chance of exploitation in the next 30 days

xyz score

4.3

CyberXYZ composite, out of 10

fig. 01 — GHSA-cqqj-4p63-rrmm, the advisory selected below

// advisories

GHSA-cqqj-4p63-rrmm

CRITICALCVE-2019-20444

HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."

Affected: < 4.0.0
Fixed in: not stated
Weakness: CWE-444
Published: 2020-02-21
Source: github

GHSA NVD MITRE reference reference reference reference reference reference reference reference reference

// dependencies

0 direct

// ai model usage

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

Checked 2026-09-22 at 00:48 UTC. The most recent advisory here was published 2022-05-13. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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