CVE-2026-66274: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Qpid Proton-J
A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache Qpid Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.
AI Analysis
Technical Summary
This vulnerability (CWE-674: Uncontrolled Recursion) in Apache Qpid Proton-J allows an attacker to cause a stack overflow by exploiting recursive type nesting before authentication. This results in a StackOverflowError that can disrupt service availability. The affected versions are all releases through 0.34.1. The Apache Software Foundation has addressed the issue in version 0.35.0.
Potential Impact
An attacker can cause a denial of service by triggering a StackOverflowError through crafted input that exploits uncontrolled recursion in type nesting. This occurs prior to authentication, meaning no credentials are required to attempt exploitation. The impact is limited to service disruption and does not indicate code execution or data compromise.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. No other mitigations are indicated or required.
CVE-2026-66274: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Qpid Proton-J
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-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Affected software
pkg:maven/Apache Software Foundation/org.apache.qpid:proton-jRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-674: Uncontrolled Recursion) in Apache Qpid Proton-J allows an attacker to cause a stack overflow by exploiting recursive type nesting before authentication. This results in a StackOverflowError that can disrupt service availability. The affected versions are all releases through 0.34.1. The Apache Software Foundation has addressed the issue in version 0.35.0.
Potential Impact
An attacker can cause a denial of service by triggering a StackOverflowError through crafted input that exploits uncontrolled recursion in type nesting. This occurs prior to authentication, meaning no credentials are required to attempt exploitation. The impact is limited to service disruption and does not indicate code execution or data compromise.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. No other mitigations are indicated or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-24T11:29:06.255Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a72d7b0bf8831d5395e8365
Added to database: 08/05/2026, 06:26:56 UTC
Last enriched: 08/05/2026, 07:00:58 UTC
Last updated: 08/06/2026, 00:41:14 UTC
Views: 5
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