6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.28 Low
EPSS
Percentile
96.7%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | mosquitto | < 1.6.6-1 | mosquitto_1.6.6-1_all.deb |
Debian | 11 | all | mosquitto | < 1.6.6-1 | mosquitto_1.6.6-1_all.deb |
Debian | 10 | all | mosquitto | < 1.5.7-1+deb10u1 | mosquitto_1.5.7-1+deb10u1_all.deb |
Debian | 999 | all | mosquitto | < 1.6.6-1 | mosquitto_1.6.6-1_all.deb |
Debian | 13 | all | mosquitto | < 1.6.6-1 | mosquitto_1.6.6-1_all.deb |
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
0.28 Low
EPSS
Percentile
96.7%