#VU22825 Inconsistent interpretation of HTTP requests in Netty - CVE-2019-16869

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Main Vulnerability Database Vulnerabilities #VU22825

#VU22825 Inconsistent interpretation of HTTP requests in Netty - CVE-2019-16869

Published: November 18, 2019 / Updated: February 11, 2025


Vulnerability identifier: #VU22825
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16869
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Netty
Software vendor:
Netty project

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation when processing a whitespace before the colon in HTTP headers (e.g. "Transfer-Encoding : chunked"). A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.


Remediation

Install updates from vendor's website.

External links