{"id":"CVE-2021-4217","details":"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.","modified":"2026-04-16T00:12:28.170242489Z","published":"2022-08-24T16:15:10.090Z","references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2021-4217"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2044583"},{"type":"FIX","url":"https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4217.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"}]}