Out-of-bounds Read Affecting busybox package, versions <1:1.35.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.62% (48th percentile)

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  • Snyk IDSNYK-ECHOLATEST-BUSYBOX-18021415
  • published20 Jul 2026
  • disclosed15 Nov 2021

Introduced: 15 Nov 2021

CVE-2021-42374  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Echo:latest busybox to version 1:1.35.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream busybox package and not the busybox package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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

CVSS Base Scores

version 3.1