Apache Qpid ProtonJ2: Transfer Frame Exhaustion (1.1.0)
CVE-2026-67592 Published on August 5, 2026
Apache Qpid ProtonJ2: 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 ProtonJ2: through 1.1.0.
Users are recommended to upgrade to version 1.2.0, which fixes the issue
Vulnerability Analysis
CVE-2026-67592 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
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 ProtonJ2:- Before and including 1.1.0 is affected.