CVE-2026-68073: Apache Qpid Broker-J: Unbounded type nesting can lead to pre-authentication stack overflow

[Daniil Kirilyuk <dakirily () apache org>]

Severity: important 

Affected versions:

- Apache Qpid Broker-J (org.apache.qpid:qpid-broker-plugins-amqp-1-0-protocol) through 10.0.1

Description:

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial 
of service.

This issue affects Apache Qpid Broker-J: through 10.0.1.

Users are recommended to upgrade to version 10.1.0, which fixes the issue.

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-68073