CVE-2021-4217

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.3 LOW
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
redhatCNA
---
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CVEADP
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---
Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
unzip_projectunzip
6.0
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
redhatenterprise_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
unzip
bullseye (security)
unimportant
bullseye
unimportant
sid
unimportant
trixie
unimportant
bookworm
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
unzip
noble
needed
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
Fixed 6.0-26ubuntu3.1
released
impish
ignored
focal
Fixed 6.0-25ubuntu1.1
released
bionic
Fixed 6.0-21ubuntu1.2
released
xenial
Fixed 6.0-20ubuntu1.1+esm1
released
trusty
Fixed 6.0-9ubuntu1.6+esm1
released
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2021-4217
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
https://bugzilla.redhat.com/show_bug.cgi?id=2044583
https://access.redhat.com/security/cve/CVE-2021-4217
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
https://bugzilla.redhat.com/show_bug.cgi?id=2044583