{"id":"CVE-2023-20664","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-20664","generatedAt":"2026-10-27T17:40:19.195Z","title":"In gz, there is a possible double free due to a use after free.","description":"In gz, there is a possible double free due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07505952; Issue ID: ALPS07505952.","published":"2023-04-06T18:15:09.000Z","lastModified":"2026-06-17T05:30:34.000Z","status":"Modified","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["google/android"],"epss":{"score":0.00092,"percentile":0.00505,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.09%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/April-2023","tags":["Vendor Advisory"],"source":"security@mediatek.com"},{"url":"https://corp.mediatek.com/product-security-bulletin/April-2023","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-20664","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}