---
id: CVE-2026-100656
title: 'Rejected reason: This CVE ID has been rejected as a duplicate.'
summary: 'Rejected reason: This CVE ID has been rejected as a duplicate.'
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: netty
product: netty
affected:
  - netty >= 4.2.0.Final < 4.2.18.Final
  - netty < 4.1.138.Final
  - netty < 4.1.138.Final
published: '2026-09-26'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T22:17:30.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100656'
references:
  - url: 'https://github.com/netty/netty/security/advisories/GHSA-pvjx-v7vp-62vq'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/netty-httpservercodec-unbounded-queue-growth-via-http-1.1-pipelining
    label: disclosure@vulncheck.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100656.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-100656'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2541803'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-100656'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100656'
  - url: 'https://access.redhat.com/errata/RHSA-2026:83612'
tags:
  - nvd
  - cve.org
  - exploit-available
  - csaf
  - vex
  - red-hat
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-28T16:43:52.081687Z'
cvssSource: nvd
ingestedAt: '2026-09-26T13:33:20.918Z'
patched:
  - build_of_debezium 3.6
---

## Overview

Rejected reason: This CVE ID has been rejected as a duplicate.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Exploit Intelligence, OpenShift Serverless, Red Hat AMQ Broker 7, Red Hat AMQ Clients, Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, … · no fix planned: Red Hat JBoss Enterprise Application Platform 7, Red Hat OpenShift AI (RHOAI), Red Hat Single Sign-On 7, Exploit Intelligence, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100656.json)
- **RHSA-2026:83612** · Red Hat · fixed in: Red Hat Build of Debezium 3.6 · released 2026-10-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:83612)