CVE-2019-20444 – org.jboss.netty:netty

Package

Manager: maven
Name: org.jboss.netty:netty
Vulnerable Version: >=0 <4.0.0

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS: 0.02216 pctl0.8385

Details

HTTP Request Smuggling in Netty 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."

Metadata

Created: 2020-02-21T18:55:24Z
Modified: 2025-07-02T15:50:12Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/02/GHSA-cqqj-4p63-rrmm/GHSA-cqqj-4p63-rrmm.json
CWE IDs: ["CWE-444"]
Alternative ID: GHSA-cqqj-4p63-rrmm
Finding: F110
Auto approve: 1