SB2026082175 - Allocation of Resources Without Limits or Throttling in RabbitMQ Java Client Library

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Main Vulnerability Database SB2026082175

SB2026082175 - Allocation of Resources Without Limits or Throttling in RabbitMQ Java Client Library

Published: August 21, 2026

Security Bulletin ID SB2026082175
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: N/A)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to allocation of resources without limits or throttling in frame handling logic in AMQConnection.java, Utils.java, and Frame.java when processing Connection.Tune negotiation and subsequent crafted frame size fields. A remote attacker can send a malicious Connection.Tune message with frameMax set to 0 and then send an oversized frame to cause a denial of service.

A malicious AMQP server or a machine-in-the-middle position can trigger the issue, and the crafted frame does not need to be a body frame.


Remediation

Install update from vendor's website.

References