maven package report

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

io.netty:netty-codec-http (maven) has 24 known vulnerabilities, the worst rated CRITICAL. Upgrade to 4.2.17.Final or later to clear all of them. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

0 packages depend on it

dependents not yet indexed for this ecosystem

Create a free accountfor every dependency path, dependent and what to upgrade

// ai model usage

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

cvss

9.1

critical

CVSS v3.1 base score out of 10

epss

8.9%

high

chance of exploitation in 30 days, 95th percentile of all CVEs

xyz score

4.3

medium

CyberXYZ composite out of 10

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

// 24 advisories

GHSA-cqqj-4p63-rrmm

CRITICALGitHub ratingCVE-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…

Full advisory text at GitHub advisory or NVD.

// cvss v3.1 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: None

// questions

Is io.netty:netty-codec-http safe to install?

CyberXYZ does not call a package safe in absolute terms. It records 24 known vulnerabilities for io.netty:netty-codec-http (maven), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.

Does io.netty:netty-codec-http have known vulnerabilities?

Yes. CyberXYZ records 24 known vulnerabilities for io.netty:netty-codec-http (maven), the worst rated CRITICAL. These include GHSA-cqqj-4p63-rrmm, GHSA-6jqx-86gh-f27w, GHSA-jppx-w49h-x2qq, GHSA-mvh2-crg5-v77c, GHSA-57rv-r2g8-2cj3.

Which version of io.netty:netty-codec-http should I use?

4.2.17.Final or later clears every advisory recorded for io.netty:netty-codec-http (maven). Check the release you pick before installing it.

How do I check io.netty:netty-codec-http before installing?

Search io.netty:netty-codec-http in CyberXYZ Check at https://cyberxyz.io/check?q=io.netty%3Anetty-codec-http. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.

Checked 2026-11-14 at 09:16 UTC. The most recent advisory here was published 2026-08-17. Updated continuously from NVD, GHSA, OSV and CNA feeds.