CVE-2021-4217
LOW
3.3
CVSS Score
Published: August 24, 2022 at 03:08 PM UTC
Updated: June 17, 2026 at 04:19 AM UTC
3 products affected across 3 vendorsFedoraEnterprise LinuxUnzip
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Severity
LOW3.3
Exploit prediction
EPSS 0.6%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2021-4217x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2044583CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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