Echo: io.netty:netty-codec-http: security update to 4.1.133.Final

medium Tenable Cloud Security Plugin ID 462432

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and
4.1.133.Final, Netty's chunk size parser silently overflows int, enabling request smuggling attacks. This
vulnerability is fixed in 4.2.13.Final and 4.1.133.Final. (CVE-2026-42580)

Solution

Update the io.netty:netty-codec-http library and its related packages to version 4.1.133.Final or later.

Plugin Details

Severity: Medium

ID: 462432

Version: Revision 1.1

Type: Local

Family: Echo Local Security Checks

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.76

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-42580

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-42580

Detections

Analytics