oss-security - CVE-2026-92560: Apache Qpid Broker-J: Type size/count handling can lead to excessive allocation pre-authentication in the AMQP 0-10 decoder

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Message-ID: <1c0186e7-1654-f440-283a-204afe93853f@apache.org>
Date: Thu, 24 Sep 2026 22:19:23 +0000
From: Daniil Kirilyuk <dakirily@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-92560: Apache Qpid Broker-J: Type size/count handling can
 lead to excessive allocation pre-authentication in the AMQP 0-10 decoder 

Severity: important 

Affected versions:

- Apache Qpid Broker-J (org.apache.qpid:qpid-broker-plugins-amqp-0-10-protocol) through 10.1.0

Description:

A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.

This issue affects Apache Qpid Broker-J: through 10.1.0.

Users are recommended to upgrade to version 10.1.1, which fixes the issue.

Credit:

n0mi1k (reporter)

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-92560

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