CVE-2023-29994

Name: CVE-2023-29994
Creator: NVD / NIST
Published: 2023-05-04T17:15:13.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2023-29994 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In NanoMQ v0.15.0-0, Heap overflow occurs in read_byte function of mqtt_code.c.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

In NanoMQ v0.15.0-0, Heap overflow occurs in read_byte function of mqtt_code.c.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.73%

49.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Emqx	Nanomq	0.15.0

References

https://github.com/emqx/nanomq/issues/1042Exploit, Issue Tracking
https://github.com/emqx/nanomq/issues/1042Exploit, Issue Tracking

Timeline

Published: May 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-29994?

In NanoMQ v0.15.0-0, Heap overflow occurs in read_byte function of mqtt_code.c.

How severe is CVE-2023-29994?

CVE-2023-29994 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2023-29994?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-29994?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST