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CVE-2021-4217

Published: 24 August 2022

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.

Priority

Low

CVSS 3 base score: 7.8

Status

Package Release Status
unzip
Launchpad, Ubuntu, Debian
bionic
Released (6.0-21ubuntu1.2)
focal
Released (6.0-25ubuntu1.1)
impish Ignored
(reached end-of-life)
jammy
Released (6.0-26ubuntu3.1)
kinetic Needed

trusty
Released (6.0-9ubuntu1.6+esm1)
upstream Needs triage

xenial
Released (6.0-20ubuntu1.1+esm1)