CVE-2023-42366

Name: CVE-2023-42366
Creator: NVD / NIST
Published: 2023-11-27T23:15:07.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2023-42366 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.42%

33.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Busybox	Busybox	1.36.1

References

https://bugs.busybox.net/show_bug.cgi?id=15874Exploit, Issue Tracking, Vendor Advisory
https://bugs.busybox.net/show_bug.cgi?id=15874Exploit, Issue Tracking, Vendor Advisory
https://security.netapp.com/advisory/ntap-20241206-0007/

Timeline

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

Frequently Asked Questions

What is CVE-2023-42366?

A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.

How severe is CVE-2023-42366?

CVE-2023-42366 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42366?

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-2023-42366?

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

Scan your code now

Source: NVD / NIST