{"id":"CVE-2016-3840","aliases":["EUVD-2016-4853","GHSA-rjfw-rxfj-wcx9","UBUNTU-CVE-2016-3840"],"status":"published","title":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before...","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","severity":{"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","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02136,"percentile":0.82133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2016-08-05T20:00:00Z","modified":"2026-06-17T00:46:26Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"android","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20150818-1500-0ubuntu2","20150818-1500-0ubuntu3","20160307-0742-0ubuntu3","20160330-0939-0ubuntu1"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"http://source.android.com/security/bulletin/2016-08-01.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"https://android.googlesource.com/platform/external/conscrypt/+/5af5e93463f4333187e7e35f3bd2b846654aa214","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","report"]},{"url":"http://www.securityfocus.com/bid/92229","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3840"},{"url":"https://github.com/advisories/GHSA-rjfw-rxfj-wcx9"},{"url":"https://ubuntu.com/security/CVE-2016-3840","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-3840","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-3840","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","status":"published","published":"2016-08-05T20:00:00Z","modified":"2024-08-06T00:10:31.194Z","updated_at":"2026-11-02T14:33:33.758954Z"}],"euvd":[{"id":"EUVD-2016-4853","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","status":"published","published":"2016-08-05T20:00:00Z","modified":"2024-08-06T00:10:31Z","updated_at":"2026-11-03T02:22:49.109782Z"}],"ghsa":[{"id":"GHSA-rjfw-rxfj-wcx9","title":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before...","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","status":"published","published":"2022-05-17T03:42:15Z","modified":"2023-01-27T05:07:34Z","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"}],"updated_at":"2026-11-02T14:43:08.798618Z"}],"nvd":[{"id":"CVE-2016-3840","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","status":"published","published":"2016-08-05T20:59:31.493Z","modified":"2026-06-17T00:46:26.053Z","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","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:28.854267Z"}],"osv":[{"id":"UBUNTU-CVE-2016-3840","description":"Conscrypt in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-05 does not properly identify session reuse, which allows remote attackers to execute arbitrary code via unspecified vectors, aka internal bug 28751153.","status":"published","published":"2016-08-05T20:59:00Z","modified":"2025-10-24T04:45:43Z","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"}],"updated_at":"2026-11-02T15:54:12.261906Z"}]}}