CVE-2026-67590
Received Received - Intake

Stack Overflow in Apache Qpid ProtonJ2

Vulnerability report for CVE-2026-67590, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Apache Software Foundation

Description

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to 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.

CVSS Scores

EPSS Scores

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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
EUVD

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
apache qpid_protonj2 to 1.1.0 (inc)
apache qpid_protonj2 1.2.0
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-674 The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Attack-Flow Graph

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Executive Summary

This vulnerability allows an attacker to cause a StackOverflowError before authentication by exploiting type nesting. This could lead to a denial of service by crashing the system.

Detection Guidance

Detection may involve monitoring for stack overflow errors or crashes in Apache Qpid ProtonJ2 versions before 1.2.0. Check logs for StackOverflowError messages or application instability.

Impact Analysis

An attacker could exploit this to crash the Apache Qpid ProtonJ2 service, causing downtime and disrupting operations. Systems using affected versions are at risk.

Compliance Impact

This vulnerability causes a denial of service via StackOverflowError, which may disrupt services handling sensitive data. However, the provided context does not specify direct impacts on compliance with GDPR or HIPAA.

Mitigation Strategies

Upgrade Apache Qpid ProtonJ2 to version 1.2.0 or later to address the vulnerability. Remove or restrict access to vulnerable versions if immediate upgrade is not possible.

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