VulnerabilityModified
CVE-2021-4217
The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference.
LOW 3.3EPSS 0.62%
Does this matter?
Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 3.3 LOWCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- EPSS
- 0.62% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- unzip project/unzip · fedoraproject/fedora · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-4217Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077Exploit, Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583Exploit, Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4217Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077Exploit, Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.