RabbitMQ 4.2.x < 4.2.8 / 4.3.x < 4.3.2 Non-RFC-Conformant Auth Mechanism Cookie Name

The version of RabbitMQ installed on the remote host is 4.2.x prior to 4.2.8, or 4.3.x prior to 4.3.2. It is, therefore, affected by a vulnerability: - getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producin...

CVE-2026-67234 RabbitMQ: Non-RFC-conformant cookie name when clearing the auth-mechanism preference

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producing a non-ASCII cookie name that violates RFC 6265 and can prevent the...

CVE-2026-67234 RabbitMQ: Non-RFC-conformant cookie name when clearing the auth-mechanism preference

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producing a non-ASCII cookie name that violates RFC 6265 and can prevent the...