CVE-2026-66277: CWE-770 Allocation of Resources Without Limits or Throttling in Apache Software Foundation Apache Qpid Proton-J
Apache Qpid Proton-J versions up to 0.34.1 have a vulnerability where the maximum number of transfer frames per incoming delivery is not limited. This allows an authenticated attacker to cause excessive resource consumption, potentially leading to denial of service. The issue is fixed in version 0.35.0.
AI Analysis
Technical Summary
CVE-2026-66277 is a resource allocation vulnerability (CWE-770) in Apache Qpid Proton-J through version 0.34.1. The software does not enforce limits on the number of transfer frames per incoming delivery, which can be exploited by an authenticated attacker to cause excessive resource usage and potentially deny service to legitimate users. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity impact primarily affecting availability. The issue is resolved in version 0.35.0.
Potential Impact
An authenticated attacker can exploit this vulnerability to cause excessive resource consumption on the affected system, potentially resulting in denial of service conditions. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. Patch status is confirmed by the vendor's recommendation to upgrade. No additional mitigations are specified.
CVE-2026-66277: CWE-770 Allocation of Resources Without Limits or Throttling in Apache Software Foundation Apache Qpid Proton-J
Description
Apache Qpid Proton-J versions up to 0.34.1 have a vulnerability where the maximum number of transfer frames per incoming delivery is not limited. This allows an authenticated attacker to cause excessive resource consumption, potentially leading to denial of service. The issue is fixed in version 0.35.0.
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
CVE-2026-66277 is a resource allocation vulnerability (CWE-770) in Apache Qpid Proton-J through version 0.34.1. The software does not enforce limits on the number of transfer frames per incoming delivery, which can be exploited by an authenticated attacker to cause excessive resource usage and potentially deny service to legitimate users. The vulnerability has a CVSS 3.1 base score of 6.5, indicating a medium severity impact primarily affecting availability. The issue is resolved in version 0.35.0.
Potential Impact
An authenticated attacker can exploit this vulnerability to cause excessive resource consumption on the affected system, potentially resulting in denial of service conditions. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later, where this vulnerability is fixed. Patch status is confirmed by the vendor's recommendation to upgrade. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-24T11:49:53.272Z
- State
- PUBLISHED
Threat ID: 6a72d7b0bf8831d5395e836e
Added to database: 08/05/2026, 06:26:56 UTC
Last enriched: 08/12/2026, 15:29:36 UTC
Last updated: 09/17/2026, 22:01:37 UTC
Views: 34
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