CVE-2021-22116

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, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2710-1
Debian Bugs	989056

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rabbitmq-server (PTS)	jessie, jessie (lts)	3.3.5-1.1+deb8u1	vulnerable
	stretch (security)	3.6.6-1+deb9u2	fixed
	stretch (lts), stretch	3.6.6+really3.8.9-0+deb9u2	fixed
	buster	3.7.8-4	vulnerable
	buster (security)	3.8.2-1+deb10u2	vulnerable
	bullseye (security), bullseye	3.8.9-3+deb11u1	vulnerable
	bookworm (security), bookworm	3.10.8-1.1+deb12u1	fixed
	sid, trixie	3.10.8-3	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	jessie	(unfixed)	end-of-life
rabbitmq-server	source	stretch	3.6.6-1+deb9u1		DLA-2710-1
rabbitmq-server	source	(unstable)	3.9.4-1			989056

Notes

[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)