PT-2021-23608 · Busybox+3 · Busybox+3

Published 2021-11-09 · Updated 2025-04-30 · CVE-2021-42383

Positive Technologies (AI Summary)

CVSS v2.0

8.3

High

Base vector

AV:N/AC:L/Au:M/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Busybox (affected versions not specified)

Description A use-after-free issue in Busybox's awk applet can lead to denial of service and possibly code execution when processing a crafted awk pattern in the evaluate function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-05991

CVE-2021-42383

MGASA-2021-0533

OESA-2021-1449

OPENSUSE-SU-2022:0135-1

OPENSUSE-SU-2022_0135-1

OPENSUSE-SU-2022_3959-1

SUSE-SU-2022:0135-1

SUSE-SU-2022:0135-2

SUSE-SU-2022:3959-1

SUSE-SU-2022:4253-1

Affected Products

Busybox

Debian

Red Os

Suse

References · 89

• https://nvd.nist.gov/vuln/detail/CVE-2021-42381 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1449 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-42383 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:3959-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:4253-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-42383 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-42383 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42384 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0135-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42378 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42382 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0135-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2021-0533 · Vendor Advisory