CVE-2026-66275: Apache Qpid Proton-J: Incoming session flow control window can be exceeded

[Robbie Gemmell <robbie () apache org>]

Severity: important 

Affected versions:

- Apache Qpid Proton-J (org.apache.qpid:proton-j) through 0.34.1

Description:

An authenticated attacker could exceed the session flow control incoming window potentially leading to 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.

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-66275