CVE-2026-67592
Received Received - Intake

Denial of Service in Apache Qpid ProtonJ2

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Apache Software Foundation

Description
It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-67592
EUVD
EUVD-2026-53096

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache qpid_protonj2 to 1.2.0 (exc)
apache qpid_protonj2 to 1.1.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

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Executive Summary

This vulnerability in Apache Qpid ProtonJ2 allows an authenticated attacker to send excessive transfer frames during delivery, consuming too many system resources and potentially causing a denial of service.

Detection Guidance

This vulnerability can be detected by checking the version of Apache Qpid ProtonJ2 installed on your system. If the version is 1.1.0 or earlier, the system is vulnerable. Upgrade to version 1.2.0 or later to mitigate the issue.

Impact Analysis

An attacker could exploit this to degrade system performance or crash services relying on Apache Qpid ProtonJ2, leading to downtime or service unavailability.

Compliance Impact

This vulnerability could indirectly impact compliance with standards like GDPR or HIPAA by enabling denial of service attacks, which may disrupt services handling sensitive data. However, the CVE does not explicitly link this issue to compliance requirements.

Mitigation Strategies

Upgrade Apache Qpid ProtonJ2 to version 1.2.0 or later to address the excessive resource usage issue.

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