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rabbitmq-server

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauthenticated remote client to declare oversized frame lengths and consume broker memory in rabbit_stream_core. This issue is fixed in version 4.2.6.

CVE-2026-57220 is a resource allocation vulnerability (CWE-770) in rabbitmq-server before version 4.2.6. The RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during the authentication phase and before Tune negotiation. This allows an unauthenticated remote attacker to send frames with oversized lengths, causing excessive memory consumption in the broker's stream core component (rabbit_stream_core). This can lead to denial of service due to resource exhaustion. The vulnerability is resolved in version 4.2.6.

Detailed information about CVE-2026-57220: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-server affecting rabbitmq rabbitmq

CVE-2026-57220: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-server - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-57220: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-server

This update includes the following RPMs:

rabbitmq-server4.3:
  * rabbitmq-server4.3-4.3.2-1.hum1 (aarch64, x86_64)
  * rabbitmq-server4.3-4.3.2-1.hum1.src (src)

This Red Hat security advisory covers an update to Red Hat Hardened Images RPMs, including rabbitmq-server4.2 version 4.2.8-1.hum1 for aarch64 and x86_64 architectures. The update addresses multiple CVEs including CVE-2026-57211. A key vulnerability detailed is a Cross-site Scripting (XSS) flaw in RabbitMQ's management UI, where improper handling of the x-internal-purpose argument allows users with queue or exchange declaration permissions to inject and execute arbitrary JavaScript code in other users' browsers. This can lead to unauthorized code execution and potential confidentiality and integrity impacts. The advisory references multiple CVEs and CWE weaknesses related to input validation and access control. The update is part of a bug fix and enhancement release for Red Hat Hardened Images. The advisory provides links to Red Hat's update repositories and security contact information but does not explicitly confirm the patch status for each CVE. No known exploits in the wild have been reported for these vulnerabilities.

Detailed information about UBUNTU-CVE-2026-57211 affecting null rabbitmq-server. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-57211 - Live Threat Intelligence - Threat Radar | OffSeq.com

https://access.redhat.com/errata/RHSA-2026:35940

https://images.redhat.com/

https://access.redhat.com/security/cve/CVE-2026-57214

https://access.redhat.com/security/updates/classification/

https://access.redhat.com/security/cve/CVE-2026-57217

https://access.redhat.com/security/cve/CVE-2026-57219

https://access.redhat.com/security/cve/CVE-2026-57220

https://access.redhat.com/security/cve/CVE-2026-57212

https://access.redhat.com/security/cve/CVE-2026-57221

https://access.redhat.com/security/cve/CVE-2026-57211

https://access.redhat.com/security/cve/CVE-2026-57213

https://access.redhat.com/security/cve/CVE-2026-57218

https://access.redhat.com/security/cve/CVE-2026-57215

https://access.redhat.com/security/cve/CVE-2026-57216

Canonical URL

https://access.redhat.com/errata/RHSA-2026:35939

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update


CVE-2026-57220: CWE-770: Allocation of Resources Without Limits or Throttling in rabbitmq rabbitmq-serverCVE-2026-57220 0 RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing an unauthenticated remote client to declare oversized frame lengths and consume broker memory in rabbit_stream_core. This issue is fixed in version 4.2.6. HighVulnerability#cve #cve-2026-57220 #cwe-770 Join the discussion	CVE Database V5	07/10/2026, 20:19:23 UTC Added: 07/10/2026, 20:48:13 UTC
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement updateCVE-2026-57211 0 This update includes the following RPMs: rabbitmq-server4.3: * rabbitmq-server4.3-4.3.2-1.hum1 (aarch64, x86_64) * rabbitmq-server4.3-4.3.2-1.hum1.src (src) HighVulnerability#gcve #osv #ubuntu-cve-2026-57211 Join the discussion	GCVE Database	07/06/2026, 15:02:53 UTC Added: 07/16/2026, 10:37:29 UTC

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