CVE-2026-66276: CWE-606 Unchecked Input for Loop Condition in Apache Software Foundation Apache Qpid Proton-J
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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-606) in Apache Qpid Proton-J arises from unchecked input used as a loop condition. An authenticated attacker can craft a disposition frame containing large or illegal ranges, which causes the software to consume excessive CPU resources, resulting in a denial of service. The flaw affects all versions up to 0.34.1 and is resolved in version 0.35.0.
Potential Impact
The impact is denial of service (DoS) due to excessive CPU consumption triggered by maliciously crafted input. There is no confidentiality or integrity impact reported. The attack requires authentication and network access to the vulnerable service.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. No other mitigation or workaround is indicated.
CVE-2026-66276: CWE-606 Unchecked Input for Loop Condition in Apache Software Foundation Apache Qpid Proton-J
Description
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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.
CVSS v3.1
Score 6.5medium
Affected software
Apache Software Foundation
Apache Qpid Proton-J
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-606) in Apache Qpid Proton-J arises from unchecked input used as a loop condition. An authenticated attacker can craft a disposition frame containing large or illegal ranges, which causes the software to consume excessive CPU resources, resulting in a denial of service. The flaw affects all versions up to 0.34.1 and is resolved in version 0.35.0.
Potential Impact
The impact is denial of service (DoS) due to excessive CPU consumption triggered by maliciously crafted input. There is no confidentiality or integrity impact reported. The attack requires authentication and network access to the vulnerable service.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. No other mitigation or workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-24T11:33:14.340Z
- State
- PUBLISHED
Threat ID: 6a72d7b0bf8831d5395e836b
Added to database: 08/05/2026, 06:26:56 UTC
Last enriched: 08/12/2026, 14:58:53 UTC
Last updated: 09/17/2026, 22:01:37 UTC
Views: 38
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