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CVE-2021-4217

Publication date 24 August 2022

Last updated 3 October 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

3.3 · Low

Score breakdown

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.

Status

Package Ubuntu Release Status
unzip 24.04 LTS noble
Fixed 6.0-28ubuntu4.1
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.10 kinetic Ignored end of life, was needed
22.04 LTS jammy
Fixed 6.0-26ubuntu3.1
21.10 impish Ignored end of life
20.04 LTS focal
Fixed 6.0-25ubuntu1.1
18.04 LTS bionic
Fixed 6.0-21ubuntu1.2
16.04 LTS xenial
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 3.3 · Low
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

Other references