{"id":"CVE-2018-4877","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-4877","generatedAt":"2026-10-28T20:10:16.178Z","title":"A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161.","description":"A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player's quality of service functionality. A successful attack can lead to arbitrary code execution.","published":"2018-02-06T21:29:00.000Z","lastModified":"2026-06-17T01:59:12.000Z","status":"Modified","sourceIdentifier":"psirt@adobe.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["adobe/flash player","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux workstation"],"epss":{"score":0.08349,"percentile":0.94929,"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 (8.35%). 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/102930","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@adobe.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:0285","tags":["Third Party Advisory"],"source":"psirt@adobe.com"},{"url":"https://helpx.adobe.com/security/products/flash-player/apsb18-03.html","tags":["Vendor Advisory"],"source":"psirt@adobe.com"},{"url":"http://www.securityfocus.com/bid/102930","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0285","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://helpx.adobe.com/security/products/flash-player/apsb18-03.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4877","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."}