{"id":"CVE-2021-0938","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-0938","generatedAt":"2026-10-27T23:43:24.666Z","title":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data.","description":"In memzero_explicit of compiler-clang.h, there is a possible bypass of defense in depth due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-171418586References: Upstream kernel","published":"2021-10-25T14:15:10.000Z","lastModified":"2026-06-17T03:30:41.000Z","status":"Modified","sourceIdentifier":"security@android.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-908"],"affected":["google/android"],"epss":{"score":0.00155,"percentile":0.04604,"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 (0.15%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-10-01","tags":["Vendor Advisory"],"source":"security@android.com"},{"url":"https://source.android.com/security/bulletin/pixel/2021-10-01","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-0938","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."}