| Name | CVE-2021-22116 | 
| Description | RabbitMQ all versions prior to 3.8.16 are prone to a denial of service vulnerability due to improper input validation in AMQP 1.0 client connection endpoint. A malicious user can exploit the vulnerability by sending malicious AMQP messages to the target RabbitMQ instance having the AMQP 1.0 plugin enabled. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-2710-1 | 
| Debian Bugs | 989056 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| rabbitmq-server (PTS) | bullseye (security), bullseye | 3.8.9-3+deb11u1 | vulnerable | 
| bookworm, bookworm (security) | 3.10.8-1.1+deb12u1 | fixed | |
| trixie | 4.0.5-6+deb13u1 | fixed | |
| forky, sid | 4.0.5-10 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| rabbitmq-server | source | stretch | 3.6.6-1+deb9u1 | DLA-2710-1 | ||
| rabbitmq-server | source | (unstable) | 3.9.4-1 | 989056 | 
[bullseye] - rabbitmq-server <no-dsa> (Minor issue)
[buster] - rabbitmq-server <no-dsa> (Minor issue)
https://tanzu.vmware.com/security/cve-2021-22116
https://github.com/rabbitmq/rabbitmq-server/pull/2953
Fixed by: https://github.com/rabbitmq/rabbitmq-server/commit/f37a31de55229e6c763215500e376fa16803390b (v3.9.0-beta.1)
Fixed by: https://github.com/rabbitmq/rabbitmq-server/commit/626d5219115d087a2695c0eb243c7ddb7e154563 (v3.8.15-rc.2)