Mosquitto
26 CVEs tracked. None of them is in CISA KEV.
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.
Mosquitto CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 3 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 26 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical1
- High13
- Medium12
Latest CVEs
The 15 most recently published vulnerabilities affecting Mosquitto.
- CVE-2024-3935Eclipse Mosquito: Double free vulnerability6.5
- CVE-2024-10525Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback9.8
- CVE-2024-8376Memory leak7.5
- CVE-2023-5632Unconditionally adding an event to the epoll causes excessive CPU consumption7.5
- 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.5.8
- CVE-2023-0809In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.5.8
- 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...7.5
- 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...7.5
- 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...5.3
- CVE-2021-34432In Eclipse Mosquitto versions 2.0.7 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.7.5
- 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...6.5
- 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.6.5
- 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...6.5
- 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 ...5.4
- 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.7.5
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