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{"bugzilla": {"description": "rabbitmq-server: RabbitMQ: Denial of Service via AMQP 0-9-1 body size validation bypass", "id": "2539784", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539784"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in RabbitMQ. An authenticated AMQP 0-9-1 client with publish permissions can exploit a vulnerability in the body assembly process. By declaring an extremely large BodySize and streaming message fragments, the client can bypass size validation, leading to unbounded memory accumulation. This can cause a Denial of Service (DoS) by degrading publisher performance cluster-wide or by exhausting the node's memory."], "name": "CVE-2026-67235", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Will not fix", "package_name": "rabbitmq-server4.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "rabbitmq-server4.3", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "rabbitmq-server", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Out of support scope", "package_name": "rabbitmq-server", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.1", "fix_state": "Out of support scope", "package_name": "rabbitmq-server", "product_name": "Red Hat OpenStack Platform 17.1"}, {"cpe": "cpe:/a:redhat:openstack:18.0", "fix_state": "Fix deferred", "package_name": "rabbitmq-server", "product_name": "Red Hat OpenStack Platform 18.0"}], "public_date": "2026-09-23T20:36:37Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67235\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67235\nhttps://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6\nhttps://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.0\nhttps://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-q8g2-pc7m-m3jw"], "threat_severity": "Moderate"}