{"id":"CVE-2018-9556","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-9556","generatedAt":"2026-10-29T02:03:23.997Z","title":"In ParsePayloadHeader of payload_metadata.cc, there is a possible out of bounds write due to an integer overflow.","description":"In ParsePayloadHeader of payload_metadata.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-113118184.","published":"2018-12-06T14:29:02.000Z","lastModified":"2026-06-17T02:06:55.000Z","status":"Modified","sourceIdentifier":"security@android.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190","CWE-787"],"affected":["google/android"],"epss":{"score":0.01962,"percentile":0.80225,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/106147","tags":["Third Party Advisory","VDB Entry"],"source":"security@android.com"},{"url":"https://source.android.com/security/bulletin/2018-12-01","tags":["Patch","Vendor Advisory"],"source":"security@android.com"},{"url":"http://www.securityfocus.com/bid/106147","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://source.android.com/security/bulletin/2018-12-01","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-9556","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."}