Vulnerability in Eclipse Mosquitto

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 wi…

EPSS: 0.027 (84.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-11779?
CVE-2019-11779 is a medium-severity vulnerability in Eclipse Mosquitto, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2019-09-19.
How severe is CVE-2019-11779?
Medium severity. CVSS v3 base score is 6.5 out of 10.