CVE-2026-67552
Received Received - Intake

Stack Overflow in Apache Qpid Proton-Dotnet

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 Proton-Dotnet through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-67552
EUVD
EUVD-2026-53084

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
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

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability allows an attacker to send specially crafted data that causes a stack overflow error before authentication is required. This can crash the affected software, leading to a denial of service where the system becomes unavailable.

Detection Guidance

Detection involves checking the Apache Qpid Proton-Dotnet version in use. Commands like 'dotnet list package' or examining project dependencies can identify if the vulnerable version (through 1.0.0) is installed. Upgrade to version 1.1.0 or later to mitigate the risk.

Impact Analysis

If you use Apache Qpid Proton-Dotnet through version 1.0.0, an attacker could exploit this to crash your application or service, disrupting normal operations. This may cause downtime or loss of service for users relying on the software.

Compliance Impact

This vulnerability could lead to 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, HIPAA, or similar regulations.

Mitigation Strategies

Upgrade Apache Qpid Proton-Dotnet to version 1.1.0 or later to address the StackOverflowError vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-67552. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart