{"id":"CVE-2018-4871","aliases":["EUVD-2018-16656","GHSA-jhfm-prjw-6726","MGASA-2018-0072","RHSA-2018:0081"],"status":"published","title":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This...","description":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05509,"percentile":0.9285,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2018-01-09T21:00:00Z","modified":"2026-06-29T10:18:59Z","fixes":[{"ecosystem":"Mageia:6","package":"flash-player-plugin","fixed_in":["28.0.0.137-1.mga6.nonfree"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:6","package":"flash-player-plugin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"28.0.0.137-1.mga6.nonfree"}]}]},{"source":"osv","ecosystem":"Red Hat:rhel_extras:6","package":"flash-plugin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:28.0.0.137-1.el6_9"}]}],"bundled":2}],"products":[{"vendor":"adobe","product":"flash_player"},{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_server"},{"vendor":"redhat","product":"enterprise_linux_workstation"}],"references":[{"url":"https://helpx.adobe.com/security/products/flash-player/apsb18-01.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","article"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0081","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.securityfocus.com/bid/102465","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1040155","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4871","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jhfm-prjw-6726"},{"url":"https://advisories.mageia.org/MGASA-2018-0072.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22367","tags":["report"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://helpx.adobe.com/security/products/flash-player/apsb17-42.html","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1525508","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1532810","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_0081.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-11305","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-11305","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11305","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-4871","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-4871","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2018-4871","description":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.","status":"published","published":"2018-01-09T21:00:00Z","modified":"2024-08-05T05:18:26.579Z","updated_at":"2026-11-02T14:35:08.341767Z"}],"euvd":[{"id":"EUVD-2018-16656","description":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.","status":"published","published":"2018-01-09T21:00:00Z","modified":"2024-08-05T05:18:26Z","updated_at":"2026-11-03T02:40:12.722721Z"}],"ghsa":[{"id":"GHSA-jhfm-prjw-6726","title":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This...","description":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.","status":"published","published":"2022-05-13T01:06:31Z","modified":"2023-02-01T05:02:56Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:49:59.960888Z"}],"nvd":[{"id":"CVE-2018-4871","description":"An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.","status":"published","published":"2018-01-09T21:29:00.547Z","modified":"2026-06-17T01:59:11.69Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:22.309028Z"}],"osv":[{"id":"RHSA-2018:0081","title":"Red Hat Security Advisory: flash-plugin security update","status":"published","published":"2024-09-13T13:39:47Z","modified":"2026-06-29T10:18:59Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:04.822845Z"},{"id":"MGASA-2018-0072","title":"Updated flash-player-plugin package fixes security vulnerability","description":"Adobe Flash Player 28.0.0.137 addresses an important out-of-bounds read\nvulnerability that could lead to information exposure (CVE-2018-4871).\n","status":"published","published":"2018-01-12T19:49:32Z","modified":"2026-04-16T06:26:07.265948411Z","updated_at":"2026-11-02T15:49:40.442238Z"}]}}