CVE-2026-42585

Published May 13th, 2026

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CVSS v3

6.5

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

netty/netty

Netty project - an event-driven asynchronous network application framework

GitHub

35K