CVE-2026-67419

RabbitMQ is a messaging and streaming broker. Prior to 4.3.5, an authenticated user who can bind a queue to a topic exchange and publish to it can use consecutive segments in a binding key to make both topic matchers revisit the same trie-node and routing-key-suffix states without memoization. Th...

DEBIAN-CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220

Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 , RabbitMQ is vulnerable to a cross-tenant Denial of Service (DoS) due to atom exhaustion. When creating a binding on an x-jms-topic exchange , the add_binding/3 function processes the rjms_erlang_selector argument using erl_scan:string/...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

rabbitmq-server: RabbitMQ: Denial of Service via JMS topic exchange atom exhaustion

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated low-privilege AMQP Advanced Message Queuing Protocol user can exploit this vulnerability by creating bindings on an x-jms-topic exchange with specially crafted selector strings. This action causes an exhaustion of...