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eclipse mosquitto vulnerabilities and exploits
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4
CVSSv2
CVE-2021-28166
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 Github repository
4
CVSSv2
CVE-2019-11779
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 overflow will occur.
Eclipse Mosquitto
Canonical Ubuntu Linux 19.04
Opensuse Leap 15.1
Opensuse Backports Sle 15.0
Fedoraproject Fedora 29
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Debian Debian Linux 8.0
Debian Debian Linux 10.0
5.5
CVSSv2
CVE-2019-11778
If 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 interval is set longer than the session expiry interval, then a use after free erro...
Eclipse Mosquitto
5
CVSSv2
CVE-2017-7655
In 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.
Eclipse Mosquitto
Debian Debian Linux 8.0
Debian Debian Linux 9.0
6.8
CVSSv2
CVE-2018-12550
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty, or contains only comments or blank lines, then Mosquitto will treat this as though no ACL file has been defined and use a default allow policy. The new behaviour ...
Eclipse Mosquitto
4
CVSSv2
CVE-2018-12546
In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this ma...
Eclipse Mosquitto
6.8
CVSSv2
CVE-2018-12551
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means that the malformed data becomes a username and no password. If this occurs, clie...
Eclipse Mosquitto
5
CVSSv2
CVE-2018-20145
Eclipse Mosquitto 1.5.x prior to 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.
Eclipse Mosquitto
5
CVSSv2
CVE-2018-12543
In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.
Eclipse Mosquitto
2 Github repositories
3.5
CVSSv2
CVE-2017-7653
The Eclipse Mosquitto broker up to version 1.4.15 does not reject strings that are not valid UTF-8. A malicious client could cause other clients that do reject invalid UTF-8 strings to disconnect themselves from the broker by sending a topic string which is not valid UTF-8, and s...
Eclipse Mosquitto
Debian Debian Linux 8.0
Debian Debian Linux 9.0
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-49223
CVE-2024-0044
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CVE-2024-35753
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CVE-2024-21306
CVE-2024-35733
SQL injection
CVE-2024-35732
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