CVE-2026-67553: Apache Qpid Proton Dotnet: Incoming session flow control window can be exceeded

["Timothy A. Bish" <tabish () apache org>]

Severity: important 

Affected versions:

- Apache Qpid Proton Dotnet (org.apache.qpid) through 1.0.0

Description:

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

This issue affects Apache Qpid Proton-Dotnet: through 1.0.0.

Users are recommended to upgrade to version 1.1.0, which fixes the issue.

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-67553