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Alpine Linux: CVE-2021-4217: NULL Pointer Dereference

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Alpine Linux: CVE-2021-4217: NULL Pointer Dereference

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
08/24/2022
Created
03/22/2024
Added
03/26/2024
Modified
06/11/2024

Description

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Solution(s)

  • alpine-linux-upgrade-unzip

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