CVE-2019-11287: Broadcom Rabbitmq Server

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

Pivotal RabbitMQ, versions 3.7.x prior to 3.7.21 and 3.8.x prior to 3.8.1, and RabbitMQ for Pivotal Platform, 1.16.x versions prior to 1.16.7 and 1.17.x versions prior to 1.17.4, contain a web management plugin that is vulnerable to a denial of service attack. The "X-Reason" HTTP Header can be leveraged to insert a malicious Erlang format string that will expand and consume the heap, resulting in the server crashing.

Affected products

• Broadcom Rabbitmq Server: from 3.8.0, before 3.8.1 (fixed in 3.8.1)
• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 30 only; version 31 only
• Pivotal Software Rabbitmq: from 1.16.0, before 1.16.7 (fixed in 1.16.7); from 1.17.0, before 1.17.4 (fixed in 1.17.4); from 3.7.0, before 3.7.21 (fixed in 3.7.21)
• Red Hat Openstack: version 15 only

Published 2019-11-23. Last modified 2026-06-17.