CVE-2026-42585

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

May 07, 2026

Last Modified

May 18, 2026

CWE ID

CWE-444

Source

GitHub

Vendor

maven

Product

io.netty:netty-codec-http

External References

https://github.com/netty/netty/security/advisories/GHSA-38f8-5428-x5cv
https://datatracker.ietf.org/doc/html/rfc9112#name-message-body-length
https://github.com/advisories/GHSA-38f8-5428-x5cv

CVE-2026-42585

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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