CVE-2021-42374

CVE-2021-42374

Vendor Busybox

Product busybox

Weakness CWE-125

Published November 15, 2021

Last update November 3, 2025

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

November 15, 2021 CVE published

November 3, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-42374 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/125.html

Related vulnerabilities

01Description

02Disclosure timeline

03References

04Related CVE