CVE-2026-66067

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

CVE-2026-66067 RabbitMQ: Stream protocol skips per vhost per user connection limits

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

CVE-2026-66067 RabbitMQ: Stream protocol skips per vhost per user connection limits

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The stream open handler calls only checkvhostaccess; it omits the node/vhost/user connection-limit checks that rabbitreader performs for AMQP. A developer %% FIXME comment at the cited line explicitly acknowledges th...

rabbitmq-server: rabbitmq-server: Denial of Service via oversized stream protocol frame

A flaw was found in rabbitmq-server. The stream protocol fails to validate the declared length of incoming frames against the negotiated maximum frame size before buffering them into memory. When the stream plugin is enabled, a remote attacker can exploit this issue by declaring an oversized fram...

rabbitmq: RabbitMQ: Authenticated user can bypass connection limits via stream protocol

A flaw was found in RabbitMQ. The stream protocol handler does not correctly enforce per-user and per-virtual host vhost connection limits. An authenticated user can exploit this by connecting through port 5552, bypassing the intended connection restrictions. This could lead to resource exhaustio...

CVE-2026-33606

A flaw was found in Dovecot. A malicious user can craft specific mail content that, when an administrator later uses the dsync tool with the stream protocol, is interpreted as dsync commands. This command injection allows the user to modify the state of mailboxes on the destination, including...

Linux Distros Unpatched Vulnerability : CVE-2026-33606

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protoco...

ALPINE-CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

EUVD-2026-67661

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Open-Xchange Dovecot is affected by a vulnerability in the dsync protocol's stream mode. Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration or replication...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

CVE-2026-33606: Improper Neutralization of CRLF Sequences

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

UBUNTU-CVE-2026-33606

Mail content stored by a user can be crafted so that it is interpreted as dsync protocol commands when an administrator later runs dsync with the stream protocol, for example during a migration. Injected commands can modify mailbox state on the destination during migration or replication, includi...

PT-2026-83054

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description Mail content stored by a user can be crafted to be interpreted as dsync protocol commands when an administrator executes dsync using the stream protocol, such as during migration or replication...

CVE-2026-68162 sctp: avoid auth_enable sysctl UAF during netns teardown

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid authenable sysctl UAF during netns teardown procsctpdoauth updates the SCTP control socket after changing net.sctp.authenable. The handler gets the per-net SCTP state from ctl-data, so an already opened sysctl file ca...