Vulnerability Database

309,961

Total vulnerabilities in the database

CVE-2021-4217

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: Aug 24, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-4217
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.3
  • AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWEs: