Description
An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that
Published: 2021-11-15
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4019-1 busybox security update
EUVD EUVD EUVD-2021-29345 An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that
Ubuntu USN Ubuntu USN USN-5179-1 BusyBox vulnerabilities
History

Mon, 03 Nov 2025 21:30:00 +0000

Type Values Removed Values Added
References

Mon, 05 May 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Busybox Busybox
Fedoraproject Fedora
Netapp Cloud Backup H300e H300e Firmware H300s H300s Firmware H410s H410s Firmware H500e H500e Firmware H500s H500s Firmware H700e H700e Firmware H700s H700s Firmware Hci Management Node Solidfire
cve-icon MITRE

Status: PUBLISHED

Assigner: JFROG

Published:

Updated: 2025-11-03T20:34:04.163Z

Reserved: 2021-10-14T00:00:00.000Z

Link: CVE-2021-42374

cve-icon Vulnrichment

Updated: 2025-11-03T20:34:04.163Z

cve-icon NVD

Status : Modified

Published: 2021-11-15T21:15:07.540

Modified: 2025-11-03T21:15:43.853

Link: CVE-2021-42374

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-11-09T00:00:00Z

Links: CVE-2021-42374 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses