Mosquitto

This hub aggregates every CVE we track for Mosquitto, a product in the devtools ci space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Mosquitto.

• CVE-2024-3935Eclipse Mosquito: Double free vulnerability6.5Oct 30, 2024
• CVE-2024-10525Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback9.8Oct 30, 2024
• CVE-2024-8376Memory leak7.5Oct 11, 2024
• CVE-2023-5632Unconditionally adding an event to the epoll causes excessive CPU consumption7.5Oct 18, 2023
• CVE-2023-3592In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.5.8Oct 2, 2023
• CVE-2023-0809In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.5.8Oct 2, 2023
• CVE-2023-28366The 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 respon...7.5Sep 1, 2023
• CVE-2021-41039In 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 po...7.5Dec 1, 2021
• CVE-2021-34434In 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 e...5.3Aug 30, 2021
• CVE-2021-34432In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.7.5Jul 27, 2021
• CVE-2021-34431In 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...6.5Jul 22, 2021
• CVE-2021-28166In 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.6.5Apr 7, 2021
• CVE-2019-11779In 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 hie...6.5Sep 19, 2019
• CVE-2019-11778If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay ...5.4Sep 18, 2019
• CVE-2017-7655In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library which could lead to crashes for those applications using the library.7.5Mar 27, 2019