CVE-2023-5184

Name: CVE-2023-5184
Creator: NVD / NIST
Published: 2023-09-27T18:15:11.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2023-5184 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Two potential signed to unsigned conversion errors and buffer overflow vulnerabilities at the following locations in the Zephyr IPM drivers.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Two potential signed to unsigned conversion errors and buffer overflow vulnerabilities at the following locations in the Zephyr IPM drivers.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.39%

30.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	<= 3.4.0

References

http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.htmlExploit, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Nov/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/07/1Mailing List
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8x3p-q3r5-xh9gExploit, Vendor Advisory
http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.htmlExploit, Third Party Advisory
http://seclists.org/fulldisclosure/2023/Nov/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/11/07/1Mailing List
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8x3p-q3r5-xh9gExploit, Vendor Advisory

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5184?

Two potential signed to unsigned conversion errors and buffer overflow vulnerabilities at the following locations in the Zephyr IPM drivers.

How severe is CVE-2023-5184?

CVE-2023-5184 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5184?

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-2023-5184?

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

Scan your code now

Source: NVD / NIST