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Out-of-bounds Read Affecting busybox package, versions <1.31.1-r21

0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.12% (47th percentile)
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NVD
5.3 medium
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SUSE
5.7 medium
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Red Hat
5.7 medium

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  • Snyk ID SNYK-ALPINE312-BUSYBOX-1920717
  • published 11 Nov 2021
  • disclosed 15 Nov 2021
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Introduced: 11 Nov 2021

CVE-2021-42374 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Alpine:3.12 busybox to version 1.31.1-r21 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 Alpine. See How to fix? for Alpine:3.12 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