Low severity3.3NVD Advisory· Published Aug 24, 2022· Updated Jun 17, 2026
CVE-2021-4217
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077nvdExploitIssue TrackingPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingThird Party Advisory
- access.redhat.com/security/cve/CVE-2021-4217nvdThird Party Advisory
News mentions
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