{"id":"CVE-2023-46118","title":"rabbitmq-server: DoS by publishing large messages over the HTTP API (CVE-2023-46118)","summary":"A flaw was found in the rabbitmq-server. An authenticated user with sufficient credentials can publish very large messages over the HTTP API and cause the target node to be terminated by an \"out-of-memory killer\" like mechanism.","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-400","vendor":"Red Hat","product":"Red Hat OpenStack Platform 16.1","affected":["openstack_platform 16.1","openstack_platform 16.2","openstack_platform 18.0","openstack_platform 17.1"],"patched":["openstack_platform 17.1"],"published":"2023-10-23","updated":"2026-10-20","sourceUpdated":"2026-10-20T08:38:51+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json"},{"url":"https://access.redhat.com/security/cve/CVE-2023-46118"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2246512"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-46118"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46118"},{"url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-w6cq-9cf4-gqpg"},{"url":"https://access.redhat.com/errata/RHSA-2024:0217"},{"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00009.html"},{"url":"https://www.debian.org/security/2023/dsa-5571"},{"url":"https://github.com/advisories/GHSA-w6cq-9cf4-gqpg"}],"tags":["csaf","vex","red-hat","ghsa","erlang"],"epss":0.01318,"epssPercentile":0.70653,"ecosystem":"erlang","ingestedAt":"2026-06-30T17:40:12.492Z","slug":"CVE-2023-46118","body":"## Overview\n\nA flaw was found in the rabbitmq-server. An authenticated user with sufficient credentials can publish very large messages over the HTTP API and cause the target node to be terminated by an \"out-of-memory killer\" like mechanism.\n\n## Vendor advisories\n\n- **RHSA-2024:0217** · Red Hat · fixed in: Red Hat OpenStack Platform 17.1 · released 2024-01-16 · [advisory](https://access.redhat.com/errata/RHSA-2024:0217)\n- **Red Hat VEX** · Moderate · affected: Red Hat OpenStack Platform 16.1, Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 18.0 · no fix planned: Red Hat OpenStack Platform 16.1, Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 18.0 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-46118.json)\n\n**rabbitmq-server: DoS by publishing large messages over the HTTP API** — rated Moderate by Red Hat. Released 2023-10-23, updated 2026-10-20.\n\nAffected:\n\n- Red Hat OpenStack Platform 16.1\n- Red Hat OpenStack Platform 16.2\n- Red Hat OpenStack Platform 18.0\n\nFixed:\n\n- Red Hat OpenStack Platform 17.1\n\nNo fix planned:\n\n- Red Hat OpenStack Platform 16.1\n- Red Hat OpenStack Platform 16.2\n- Red Hat OpenStack Platform 18.0\n\n## Remediation\n\nFor details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2024:0217\n\n## Package advisory (CVE-2023-46118)\n\nAffected packages:\n\n- `rabbit_common >= 3.12.0, < 3.12.7`\n- `rabbit_common >= 3.11.0, < 3.11.24`\n\nPatched in:\n\n- `rabbit_common 3.12.7`\n- `rabbit_common 3.11.24`\n\nSource: https://github.com/advisories/GHSA-w6cq-9cf4-gqpg","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}