Apache Qpid Proton-J DoS via Unbounded Transfer Frames (0.34.1)
CVE-2026-66277 Published on August 5, 2026
Apache Qpid Proton-J: Unable to govern the maximum number of transfer frames per incoming delivery
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.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Affected Versions
Apache Software Foundation Apache Qpid Proton-J:- Before and including 0.34.1 is affected.