rabbitmq-server: RabbitMQ is a messaging and streaming broker
CVE-2026-57212 is fixed in rabbitmq-server on 1 platform, first by DEBIAN-CVE-2026-57212, released July 18, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rabbitmq-server · Debian 14 | 4.3.0-2 | DEBIAN-CVE-2026-57212 | Jul 18, 2026 |
| rabbitmq-server · Fedora 43 | 4.0.9-5.fc43 | FEDORA-2026-548235EA3B | Jul 30, 2026 |
| rabbitmq-server · opensuse-leap 16.0 | 4.1.5-160000.2.1 | OPENSUSE-SU-2026:21903-1 | Sep 22, 2026 |
| rabbitmq-server · sles 16.0 | 4.1.5-160000.2.1 | SUSE-SU-2026:23869-1 | Sep 22, 2026 |
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