CVE-2023-0667

Name: CVE-2023-0667
Creator: NVD / NIST
Published: 2023-06-07T03:15:09.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.01%

Last modified Jun 17, 2026

CVE-2023-0667 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Due to failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and prior, in an unusual configuration, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

Due to failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and prior, in an unusual configuration, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.01%

78.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wireshark	Wireshark	>= 4.0.0, < 4.0.6

References

https://gitlab.com/wireshark/wireshark/-/issues/19086Exploit, Issue Tracking
https://security.gentoo.org/glsa/202309-02Third Party Advisory
https://takeonme.org/cves/CVE-2023-0667.htmlExploit, Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/19086Exploit, Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
https://security.gentoo.org/glsa/202309-02Third Party Advisory
https://takeonme.org/cves/CVE-2023-0667.htmlExploit, Third Party Advisory

Timeline

Published: Jun 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0667?

How severe is CVE-2023-0667?

CVE-2023-0667 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0667?

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-2023-0667?

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

Scan your code now

Source: NVD / NIST