CVE-2026-67554: CWE-606 Unchecked Input for Loop Condition in Apache Software Foundation Apache Qpid Proton Dotnet
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-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
AI Analysis
Technical Summary
This vulnerability (CWE-606) in Apache Qpid Proton Dotnet arises from unchecked input used as a loop condition. Specifically, an authenticated attacker can craft a disposition frame containing large or illegal ranges that cause the software to consume excessive CPU resources. This naive range handling results in denial of service by exhausting processing capacity. The affected versions are all versions up to and including 1.0.0. The vendor has addressed the issue in version 1.1.0.
Potential Impact
The impact of this vulnerability is denial of service caused by excessive CPU consumption when processing maliciously crafted disposition frames. This can degrade or disrupt service availability for legitimate users. There is no indication of remote code execution or data compromise. Exploitation requires authentication.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton Dotnet to version 1.1.0 or later, which contains the fix for this vulnerability. No other mitigation or temporary workaround is indicated in the available information.
CVE-2026-67554: CWE-606 Unchecked Input for Loop Condition in Apache Software Foundation Apache Qpid Proton Dotnet
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-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
CVSS v3.1
Score 6.5medium
Affected software
pkg:nuget/apache.qpid.proton.dotnetRun 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 Dotnet arises from unchecked input used as a loop condition. Specifically, an authenticated attacker can craft a disposition frame containing large or illegal ranges that cause the software to consume excessive CPU resources. This naive range handling results in denial of service by exhausting processing capacity. The affected versions are all versions up to and including 1.0.0. The vendor has addressed the issue in version 1.1.0.
Potential Impact
The impact of this vulnerability is denial of service caused by excessive CPU consumption when processing maliciously crafted disposition frames. This can degrade or disrupt service availability for legitimate users. There is no indication of remote code execution or data compromise. Exploitation requires authentication.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton Dotnet to version 1.1.0 or later, which contains the fix for this vulnerability. No other mitigation or temporary workaround is indicated in the available information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-29T19:06:21.573Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a72d7b2bf8831d5395e845a
Added to database: 08/05/2026, 06:26:58 UTC
Last enriched: 08/05/2026, 06:46:40 UTC
Last updated: 08/06/2026, 00:41:14 UTC
Views: 2
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