What’s Vulnerable › Vulnerabilities
CVE-2019-11287: RabbitMQ Web Management Plugin DoS via heap overflow
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-11-23 · updated 2026-06-17
- Weakness: CWE-400
Description
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
- rabbitmq-server: from 3.8.0 before 3.8.1 — fixed in 3.8.1
- Debian Linux: 9.0
- Fedoraproject Fedora: 30, 31
- Pivotal RabbitMQ: from 1.16.0 before 1.16.7; from 1.17.0 before 1.17.4; from 3.7.0 before 3.7.21 — fixed in 1.16.7, 1.17.4, 3.7.21
- OpenStack: 15
How to fix
Upgrade to a fixed version: rabbitmq-server 3.8.1; Pivotal RabbitMQ 1.16.7, 1.17.4, 3.7.21. Check the vendor advisory for mitigations.
References
- https://access.redhat.com/errata/RHSA-2020:0078
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-11287-DoS%20via%20Heap%20Overflow-RabbitMQ%20Web%20Management%20Plugin
- https://lists.debian.org/debian-lts-announce/2021/07/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEQ6O7PMNJKYFMQYHAB55L423GYK63SO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PYTGR3D5FW2O25RXZOTIZMOD2HAUVBE4/
- https://pivotal.io/security/cve-2019-11287
- https://access.redhat.com/errata/RHSA-2020:0078
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-11287-DoS%20via%20Heap%20Overflow-RabbitMQ%20Web%20Management%20Plugin
- https://lists.debian.org/debian-lts-announce/2021/07/msg00011.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EEQ6O7PMNJKYFMQYHAB55L423GYK63SO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PYTGR3D5FW2O25RXZOTIZMOD2HAUVBE4/
- https://pivotal.io/security/cve-2019-11287
Get alerted when CVE-2019-11287 or the next vulnerability affects your stack