---
id: CVE-2023-46118
title: >-
  rabbitmq-server: DoS by publishing large messages over the HTTP API
  (CVE-2023-46118)
summary: >-
  A flaw was found in the rabbitmq-server. An authenticated user with sufficient
  credentials can publish very large messages over the HTTP API and cause the
  target node to be terminated by an "out-of-memory killer" like mechanism.
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe: CWE-400
vendor: Red Hat
product: Red Hat OpenStack Platform 16.1
affected:
  - openstack_platform 16.1
  - openstack_platform 16.2
  - openstack_platform 18.0
  - openstack_platform 17.1
patched:
  - openstack_platform 17.1
published: '2023-10-23'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T08:38:51+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json
  - url: 'https://access.redhat.com/security/cve/CVE-2023-46118'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2246512'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2023-46118'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-46118'
  - url: >-
      https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-w6cq-9cf4-gqpg
  - url: 'https://access.redhat.com/errata/RHSA-2024:0217'
  - url: 'https://lists.debian.org/debian-lts-announce/2023/12/msg00009.html'
  - url: 'https://www.debian.org/security/2023/dsa-5571'
  - url: 'https://github.com/advisories/GHSA-w6cq-9cf4-gqpg'
tags:
  - csaf
  - vex
  - red-hat
  - ghsa
  - erlang
epss: 0.01318
epssPercentile: 0.70653
ecosystem: erlang
ingestedAt: '2026-06-30T17:40:12.492Z'
---

## Overview

A flaw was found in the rabbitmq-server. An authenticated user with sufficient credentials can publish very large messages over the HTTP API and cause the target node to be terminated by an "out-of-memory killer" like mechanism.

## Vendor advisories

- **RHSA-2024:0217** · Red Hat · fixed in: Red Hat OpenStack Platform 17.1 · released 2024-01-16 · [advisory](https://access.redhat.com/errata/RHSA-2024:0217)
- **Red Hat VEX** · Moderate · affected: Red Hat OpenStack Platform 16.1, Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 18.0 · no fix planned: Red Hat OpenStack Platform 16.1, Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 18.0 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json)

**rabbitmq-server: DoS by publishing large messages over the HTTP API** — rated Moderate by Red Hat. Released 2023-10-23, updated 2026-10-20.

Affected:

- Red Hat OpenStack Platform 16.1
- Red Hat OpenStack Platform 16.2
- Red Hat OpenStack Platform 18.0

Fixed:

- Red Hat OpenStack Platform 17.1

No fix planned:

- Red Hat OpenStack Platform 16.1
- Red Hat OpenStack Platform 16.2
- Red Hat OpenStack Platform 18.0

## Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2024:0217

## Package advisory (CVE-2023-46118)

Affected packages:

- `rabbit_common >= 3.12.0, < 3.12.7`
- `rabbit_common >= 3.11.0, < 3.11.24`

Patched in:

- `rabbit_common 3.12.7`
- `rabbit_common 3.11.24`

Source: https://github.com/advisories/GHSA-w6cq-9cf4-gqpg