CVE-2026-92573 Apache Software Foundation CVE debrief

Who should care

Defenders of Apache Qpid Broker-J deployments should assess exposure and upgrade to version 10.1.1. They should also verify decompressed-output limits for GZIP decompressor and monitor broker availability and memory usage. Additionally, they should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-92573 allows authenticated message producers to exhaust memory and disrupt broker availability in Apache Qpid Broker-J. Defenders should upgrade to version 10.1.1 and verify decompressed-output limits.

• Memory exhaustion and broker availability disruption
• Need to upgrade to version 10.1.1 to fix the issue
• Verify decompressed-output limits for GZIP decompressor

Technical summary

Improper handling of compressed data in the shared GZIP decompressor used for AMQP 0-8/0-9/0-9-1 and AMQP 0-10 message delivery, message conversion and HTTP management JSON rendering allows authenticated message producers to exhaust memory and disrupt broker availability via processing without a decompressed-output limit. The issue affects Apache Qpid Broker-J through 10.1.0. Users are recommended to upgrade to version 10.1.1, which fixes the issue. The vulnerability is related to the shared GZIP decompressor used for AMQP 0-8/0-9/0-9-1 and AMQP 0-10 message delivery, message conversion and HTTP management JSON rendering.

Defensive priority

Upgrade to version 10.1.1 to fix the issue.

Recommended defensive actions

• Upgrade Apache Qpid Broker-J to version 10.1.1
• Review and limit decompressed-output for GZIP decompressor
• Monitor broker availability and memory usage
• Verify decompressed-output limits for GZIP decompressor
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in Apache Qpid Broker-J. The issue allows authenticated message producers to exhaust memory and disrupt broker availability via processing without a decompressed-output limit. The CVE record was published on 2026-09-25T09:17:06.837Z and has not been modified since then. The NVD entry provides additional information on the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.