{ "containers": { "cna": { "affected": [ { "product": "unzip", "vendor": "n/a", "versions": [ { "status": "affected", "version": "unzip 6.0" } ] } ], "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "CWE-476 - NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-08-24T15:08:43.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077" }, { "tags": [ "x_refsource_MISC" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2044583" }, { "tags": [ "x_refsource_MISC" ], "url": "https://access.redhat.com/security/cve/CVE-2021-4217" } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:04.487Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2044583" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://access.redhat.com/security/cve/CVE-2021-4217" } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-08T20:55:11.997878Z", "id": "CVE-2021-4217", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-02T18:11:46.107Z" } } ] }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-4217", "datePublished": "2022-08-24T15:08:43.000Z", "dateReserved": "2022-01-27T00:00:00.000Z", "dateUpdated": "2026-11-02T18:11:46.107Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.2" }