Out-of-bounds Write Affecting unzip package, versions <6.0-r11


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
2.42% (82nd percentile)

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  • Snyk IDSNYK-ALPINE322-UNZIP-10280188
  • published31 May 2025
  • disclosed9 Feb 2022

Introduced: 9 Feb 2022

CVE-2022-0529  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Alpine:3.22 unzip to version 6.0-r11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream unzip package and not the unzip package as distributed by Alpine. See How to fix? for Alpine:3.22 relevant fixed versions and status.

A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

CVSS Base Scores

version 3.1