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1 – 10 of 23 results


CVE-2023-5632

Medium priority
Not affected

In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by...

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Not affected Not affected Not affected
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CVE-2023-3592

Medium priority
Fixed

In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Fixed Fixed Not affected Not affected
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CVE-2023-0809

Medium priority
Fixed

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Fixed Fixed Not affected Not affected
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CVE-2023-28366

Medium priority

Some fixes available 3 of 5

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...

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Fixed Fixed Ignored Ignored
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CVE-2021-41039

Medium priority

Some fixes available 2 of 5

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Fixed Fixed Not affected Not affected
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CVE-2021-34434

Medium priority

Some fixes available 2 of 5

In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that...

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Fixed Not affected Not affected Not affected
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CVE-2021-34432

Medium priority
Not affected

In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Not affected Not affected Not affected
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CVE-2021-34431

Medium priority

Some fixes available 1 of 5

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Not affected Fixed Not affected Not affected
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CVE-2021-28166

Medium priority
Ignored

In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Not affected Not affected Not affected
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CVE-2019-11779

Medium priority
Fixed

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack...

1 affected packages

mosquitto

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
mosquitto Not affected Not affected
Show less packages