CVE-2019-20445

PoC —

CVSS 3.1

9.1 critical

EPSS

13%p96

Published

Jan 29, 2020 (Jan 29, 2020)

Modified

Jun 17, 2026

Description

HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.

Vendors: netty debian fedoraproject canonical redhat apache
Products: netty, debian linux, fedora, ubuntu linux, jboss amq clients, jboss enterprise application platform, spark
Weakness: CWE-444
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (13.5%)

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