Description
CRLF injection vulnerability in the management plugin in RabbitMQ 2.1.0 through 3.4.x before 3.4.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the download parameter to api/definitions.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rabbitmq-server | 3.4.1-1 | — |
| Debian 13 | rabbitmq-server | 3.4.1-1 | — |
| Debian 12 | rabbitmq-server | 3.4.1-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 7 | rabbitmq-server | 3.3.5-18.el7ost | RHSA-2016:0367 |
| Red Hat OpenStack 6 | rabbitmq-server | 3.3.5-18.el7ost | RHSA-2016:0308 |
| Red Hat OpenStack 5 | rabbitmq-server | 3.1.5-6.1.el6ost | RHSA-2016:0369, RHSA-2016:0368 |
Advisories 4
- RHSA-2016:0368 Red Hat Security Advisory: rabbitmq-server security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:0369 Red Hat Security Advisory: rabbitmq-server security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:0367 Red Hat Security Advisory: rabbitmq-server security and bugfix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:0308 Red Hat Security Advisory: rabbitmq-server security and bugfix update Red Hat Security Advisories (RHSA) · Jun 29, 2026