CVE-2021-42373

Publication date 15 November 2021

Last updated 25 August 2025


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given

Read the notes from the security team

Status

Package Ubuntu Release Status
busybox 22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

introduced in 1.33

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

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


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