CVE-2023-42366

Publication date 27 November 2023

Last updated 16 February 2026

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

Package	Ubuntu Release	Status
busybox	26.04 LTS resolute	Vulnerable
	25.10 questing	Ignored end of life, was needed
	25.04 plucky	Ignored end of life, was deferred [2026-02-16]
	24.10 oracular	Ignored end of life, was deferred [2026-02-16]
	24.04 LTS noble	Vulnerable
	23.10 mantic	Ignored end of life, was deferred [2024-09-19]
	23.04 lunar	Ignored end of life, was deferred [2024-09-19]
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

as of 2026-02-16, there is no fix from upstream for this issue but Debian has added proposed fixes to 1:1.37.0-10

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Scores

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