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Affected Component
Analysis
unzip
Patched
Name
CVE-2021-4217
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.
Published Date
Updated Date
Workaround
-
Advisories
https://access.redhat.com/security/cve/CVE-2021-4217Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-4217Third Party Advisory
Analysis#
Vulnerability Rating#
3.3
CVSSv31
Others affected components#
Resolved with patches#
unzip (buildroot:2025.02.x)
#
Title
Author
Resolve
1
Fix null pointer dereference and use of uninitialized data
Nils Bars <nils.bars@t-online.de>
CVE-2021-4217
unzip (buildroot:master)
#
Title
Author
Resolve
1
Fix null pointer dereference and use of uninitialized data
Nils Bars <nils.bars@t-online.de>
CVE-2021-4217
unzip (yocto:kirkstone)
#
Title
Author
Resolve
1
Fix null pointer dereference and use of uninitialized data
Nils Bars <nils.bars@t-online.de>
CVE-2021-4217
unzip (yocto:master)
#
Title
Author
Resolve
1
Fix null pointer dereference and use of uninitialized data
Nils Bars <nils.bars@t-online.de>
CVE-2021-4217
unzip (yocto:scarthgap)
#
Title
Author
Resolve
1
Fix null pointer dereference and use of uninitialized data
Nils Bars <nils.bars@t-online.de>
CVE-2021-4217