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Medium · 6.5 CVE-2026-66277 EUVD-2026-53093GHSA-p3qq-8qj5-5243

Apache Qpid Proton-J: Unable to govern the maximum number of transfer frames per incoming delivery

Published Aug 5, 2026 · Updated Aug 5, 2026 · Assigned by apache

Description

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential 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 products

VendorProductAffectedFixed
Apache Software Foundation Apache Qpid Proton-J ≤ 0.34.1 —

References