{"id":"CVE-2018-9523","aliases":["EUVD-2018-21117","GHSA-8cx7-wfj7-gq4r"],"status":"published","title":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization...","description":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00182,"percentile":0.07791,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-11-14T18:00:00Z","modified":"2026-06-17T02:06:51Z","products":[{"vendor":"google","product":"android"},{"vendor":"google inc.","product":"android"}],"references":[{"url":"http://www.securityfocus.com/bid/105847","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://source.android.com/security/bulletin/2018-11-01","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9523"},{"url":"https://github.com/advisories/GHSA-8cx7-wfj7-gq4r"}],"sources":{"cve":[{"id":"CVE-2018-9523","description":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604","status":"published","published":"2018-11-14T18:00:00Z","modified":"2024-08-05T07:24:55.918Z","updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-21117","description":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604","status":"published","published":"2018-11-14T18:00:00Z","modified":"2024-08-05T07:24:55Z","updated_at":"2026-11-03T02:40:00.465176Z"}],"ghsa":[{"id":"GHSA-8cx7-wfj7-gq4r","title":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization...","description":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604","status":"published","published":"2022-05-14T01:45:25Z","modified":"2023-02-02T05:04:15Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:49.55689Z"}],"nvd":[{"id":"CVE-2018-9523","description":"In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112859604","status":"published","published":"2018-11-14T18:29:00.557Z","modified":"2026-06-17T02:06:51.44Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:48.987926Z"}]}}