Vulnerability in Eclipse Mosquitto

CVE-2023-0809

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

EPSS: 0.001 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-0809?
CVE-2023-0809 is a medium-severity vulnerability in Eclipse Mosquitto, classified under CWE-789. CVSS score: 5.8/10. Published 2023-10-02.
How severe is CVE-2023-0809?
Medium severity. CVSS v3 base score is 5.8 out of 10.