CVE-2021-4217

Public Exploit

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.

Category

3.3
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.12%
Third-Party Advisory redhat.com Third-Party Advisory launchpad.net Third-Party Advisory redhat.com
Affected: n/a unzip
Published at:
Updated at:

References

Link Tags
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 issue tracking patch exploit third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2044583 issue tracking exploit third party advisory
https://access.redhat.com/security/cve/CVE-2021-4217 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-4217?
CVE-2021-4217 has been scored as a low severity vulnerability.
How to fix CVE-2021-4217?
To fix CVE-2021-4217, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4217 being actively exploited in the wild?
It is possible that CVE-2021-4217 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4217?
CVE-2021-4217 affects n/a unzip.
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