{"id":"CVE-2021-4217","title":"A flaw was found in unzip","summary":"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…","severity":"none","cwe":["CWE-476"],"product":"unzip","affected":["unzip unzip 6.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-08T20:55:11.997878Z"},"published":"2022-08-24","updated":"2026-11-02","sourceUpdated":"2026-11-02T18:11:46.107Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-4217","references":[{"url":"https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044583"},{"url":"https://access.redhat.com/security/cve/CVE-2021-4217"}],"tags":["cve.org"],"epss":0.00618,"epssPercentile":0.49854,"ingestedAt":"2026-11-05T19:30:42.769Z","slug":"CVE-2021-4217","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `unzip unzip 6.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}