CVE-2021-42373
MEDIUMBusybox - Denial of Service via NULL Pointer Dereference in Man Applet
Title source: llmDescription
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
References (5)
Core 5
Core References
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
Third Party Advisory
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
Various Sources
https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211223-0002/
Scores
CVSS v3
5.5
EPSS
0.0008
EPSS Percentile
24.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (14)
busybox/busybox
1.33.0
busybox/busybox
1.33.1
fedoraproject/fedora
33
fedoraproject/fedora
34
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
... and 4 more
Published
Nov 15, 2021
Tracked Since
Feb 18, 2026