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Posted to issues@activemq.apache.org by "Christopher L. Shannon (Jira)" <ji...@apache.org> on 2025/11/21 20:38:00 UTC

[jira] [Resolved] (AMQ-9810) Add additional validation for MQTT control packets

     [ https://issues.apache.org/jira/browse/AMQ-9810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christopher L. Shannon resolved AMQ-9810.
-----------------------------------------
    Resolution: Fixed

> Add additional validation for MQTT control packets
> --------------------------------------------------
>
>                 Key: AMQ-9810
>                 URL: https://issues.apache.org/jira/browse/AMQ-9810
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>            Reporter: Christopher L. Shannon
>            Assignee: Christopher L. Shannon
>            Priority: Major
>             Fix For: 6.1.9, 5.19.2, 6.2.1
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> The MQTT spec specifies that the header contains a remaining length field and that the maximum number of bytes in the field is 4. The MQTT codec should verify that the max bytes is correct.



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