CVE-2026-102464

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

EUVD-2026-101936

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464

The io.vertx:vertx-mqtt component in Eclipse Vert.x versions [4.0.0, 4.5.34], [5.0.0, 5.0.12], [5.1.0, 5.1.9], and [5.2.0, 5.2.0] is vulnerable to unbounded memory growth . The MqttClient stores inbound QoS 2 PUBLISH messages in an internal map (qos2inbound ) while awaiting a PUBREL packet. Becau...

PT-2026-114830

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-102464: Allocation of Resources Without Limits or Throttling

In Eclipse Vert.x versions 4.0.0, 4.5.34 or 5.0.0,5.0.12 or 5.1.0,5.1.9 or 5.2.0, 5.2.0, the Eclipse Vert.x MQTT vertx-mqtt MqttClient stores every inbound QoS 2 PUBLISH message received from the broker in an internal map qos2inbound while awaiting the corresponding PUBREL packet to complete the...

CVE-2026-8741

A vulnerability has been found in EMQX up to 6.2.0. This affects an unknown function of the file apps/emqx/src/emqxpersistentsessionds.erl of the component QoS 2 PUBLISH Packet Handler. Such manipulation leads to race condition. The attack may be performed from remote. A high complexity level is...

CVE-2026-8741: Concurrent Execution using Shared Resource with Improper Synchronization

A vulnerability has been found in EMQX up to 6.2.0. This affects an unknown function of the file apps/emqx/src/emqxpersistentsessionds.erl of the component QoS 2 PUBLISH Packet Handler. Such manipulation leads to race condition. The attack may be performed from remote. A high complexity level is...

EUVD-2023-32063

Malicious code in bioql PyPI...

MGASA-2025-0106 Updated mosquitto packages fix security vulnerability

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

Updated mosquitto packages fix security vulnerability

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

CVE-2023-28366

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

Memory corruption

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

CVE-2023-28366

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

CVE-2023-28366

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

CVE-2023-28366

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function...

Fedora 37 : mosquitto (2023-e7ed15ab9e)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-e7ed15ab9e advisory. 2.0.17 Broker: Fix maxqueuedmessages 0 stopping clients from receiving messages Fix maxinflightmessages not being set correctly. Apps: Fix...