CVE-2023-0809

Description

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

Categories

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Eclipse Mosquitto
Published at:
Updated at:

References

Link Tags
https://mosquitto.org/blog/2023/08/version-2-0-16-released/ release notes
https://security.gentoo.org/glsa/202401-09

Frequently Asked Questions

What is the severity of CVE-2023-0809?
CVE-2023-0809 has been scored as a medium severity vulnerability.
How to fix CVE-2023-0809?
To fix CVE-2023-0809, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0809 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-0809 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0809?
CVE-2023-0809 affects Eclipse Mosquitto.
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