{"id":"CVE-2018-4920","aliases":["EUVD-2018-16705","GHSA-j5xf-xfvf-pjw6","MGASA-2018-0189","RHSA-2018:0520","UBUNTU-CVE-2018-4920"],"status":"published","title":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion...","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.07569,"percentile":0.94568,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-704","CWE-843"],"published":"2018-04-01T08:26:33Z","modified":"2026-06-29T10:19:28Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"flashplugin-nonfree","fixed_in":["29.0.0.140ubuntu0.14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"flashplugin-nonfree","fixed_in":["29.0.0.140ubuntu0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:6","package":"flash-player-plugin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"29.0.0.113-1.mga6.nonfree"}]}],"bundled":2},{"source":"osv","ecosystem":"Red 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Link","Third Party Advisory","VDB Entry"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0520","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"https://helpx.adobe.com/security/products/flash-player/apsb18-05.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web","article","report"]},{"url":"http://www.securitytracker.com/id/1040509","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4920","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j5xf-xfvf-pjw6"},{"url":"https://advisories.mageia.org/MGASA-2018-0189.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22767","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/#critical","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1555029","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1555030","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_0520.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-4919","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-4919","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4919","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-4920","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-4920","tags":["advisory","report"]},{"url":"https://ubuntu.com/security/CVE-2018-4920","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-4920","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","status":"published","published":"2018-05-19T17:00:00Z","modified":"2024-08-05T05:18:26.951Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16705","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","status":"published","published":"2018-05-19T17:00:00Z","modified":"2024-08-05T05:18:26Z","updated_at":"2026-11-03T02:40:12.722721Z"}],"ghsa":[{"id":"GHSA-j5xf-xfvf-pjw6","title":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion...","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","status":"published","published":"2022-05-14T03:16:14Z","modified":"2023-01-29T05:00:36Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-704","CWE-843"],"updated_at":"2026-11-02T14:44:37.925447Z"}],"nvd":[{"id":"CVE-2018-4920","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","status":"published","published":"2018-05-19T17:29:00.697Z","modified":"2026-06-17T01:59:17.09Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:04:27.507872Z"}],"osv":[{"id":"RHSA-2018:0520","title":"Red Hat Security Advisory: flash-plugin security update","status":"published","published":"2024-09-13T12:54:11Z","modified":"2026-06-29T10:19:28Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:04.822845Z"},{"id":"UBUNTU-CVE-2018-4920","description":"Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.","status":"published","published":"2018-05-19T17:29:00Z","modified":"2025-07-16T08:14:04.291564Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:18.33562Z"},{"id":"MGASA-2018-0189","title":"Updated flash-player-plugin packages fix security vulnerability","description":"It was found that flash versions older than 29.0.0.113 contained a use\nafter free vulnerability that could lead to remote code execution\n(CVE-2018-4919).\n\nA second vulnerability was a type confusion which could also lead to\nremote code execution (CVE-2018-4920).\n","status":"published","published":"2018-04-01T08:26:33Z","modified":"2026-04-16T06:25:49.490551289Z","updated_at":"2026-11-02T15:49:40.442238Z"}]}}