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Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process. RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request paths because read_complete_body checks the accumulated size before the final chunk but not the final combined size. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.
Fixed upstream in RabbitMQ 4.2.5 (commit 3976d148901bdfa82e1cd60b7a4534e073266ba5). Fedora status: - rawhide (4.3.3) and f44 (4.2.9) already ship >= 4.2.5 and contain the fix. - f43 (4.0.9): the upstream 4.0.x line is EOL and no fixed 4.0.x release was published (the advisory's 4.0.x fix versions do not exist as upstream tags), so the fix has been backported onto 4.0.9. Build in progress.
FEDORA-2026-548235ea3b (rabbitmq-server-4.0.9-5.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-548235ea3b
FEDORA-2026-548235ea3b has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-548235ea3b` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-548235ea3b See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-548235ea3b (rabbitmq-server-4.0.9-5.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.