NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.
CVSS Score
8.5
EPSS Score
0.001
Published
2025-12-15
An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.
CVSS Score
8.8
EPSS Score
0.001
Published
2025-07-29
NanoMQ v0.17.9 was discovered to contain a heap use-after-free vulnerability via the component sub_Ctx_handle. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted SUBSCRIBE message.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-07-29
NanoMQ 0.17.5 was discovered to contain a segmentation fault via the component /nanomq/pub_handler.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PUBLISH message.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-07-15
NanoMQ v0.22.10 was discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via a crafted PUBLISH message.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-07-14
A segmentation fault in NanoMQ v0.21.10 allows attackers to cause a Denial of Service (DoS) via crafted messages.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-07-14
NanoMQ v0.22.10 was discovered to contain a heap overflow which allows attackers to cause a Denial of Service (DoS) via a crafted CONNECT message.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-07-14
An invalid read size in Nanomq v0.21.9 allows attackers to cause a Denial of Service (DoS).
CVSS Score
7.5
EPSS Score
0.001
Published
2024-09-12
A heap-buffer-overflow vulnerability in the read_byte function in NanoMQ v.0.21.7 allows attackers to cause a denial of service via transmission of crafted hexstreams.
CVSS Score
6.8
EPSS Score
0.001
Published
2024-04-22
Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.
CVSS Score
2.7
EPSS Score
0.003
Published
2024-04-17