CVE Vulnerabilities

CVE-2021-42373

NULL Pointer Dereference

Published: Nov 15, 2021 | Modified: Nov 07, 2023
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Busybox Busybox 1.33.0 (including) 1.33.0 (including)
Busybox Busybox 1.33.1 (including) 1.33.1 (including)

Potential Mitigations

References