CVE-2019-20445

CRITICAL9.1EPSS 3.7%

HTTP Request Smuggling in Netty

Published: 2/21/2020Modified: 4/28/2026
Also known as:DEBIAN-CVE-2019-20445

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.

Affected packages (4)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1CRITICAL9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References (58)