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...

SUSE CVE-2026-67234

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 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...

DEBIAN-CVE-2026-67234

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 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...

UBUNTU-CVE-2026-67234

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 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

The messaging broker RabbitMQ is vulnerable in versions 4.2.0 through 4.2.8 and 4.3.2 due to a flaw in the get_auth_mechanism/1 function. When clearing the strict_auth_mechanism or preferred_auth_mechanism atom, the software used term_to_binary/1, resulting in a non-ASCII cookie name that violate...

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...

EUVD-2026-87146

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: Improper Input Validation

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...