{"schemaVersion":3,"id":"CVE-2016-5201","aliases":["UBUNTU-CVE-2016-5201"],"status":"published","duplicateOf":null,"title":null,"description":"A leak of privateClass in the extensions API in Google Chrome prior to 54.0.2840.100 for Linux, and 54.0.2840.99 for Windows, and 54.0.2840.98 for Mac allowed a remote attacker to access privileged JavaScript code via a crafted HTML page.","dates":{"published":"2017-01-19T05:43:00.000Z","modified":"2024-08-06T00:53:48.626Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":6.5,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","exploitability":7.2,"impact":6,"computed":true}]},"epss":{"probability":0.01204,"percentile":0.67813,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01204},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01243,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01204,"percentile":0.67813}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01243,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01204,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01204,"percentile":0.67813}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-200","name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/200.html"}],"affected":[{"vendor":"ubuntu","product":"chromium-browser","name":"chromium-browser","label":"chromium-browser","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/chromium-browser","purlType":"deb","versions":[{"text":"< 58.0.3029.81-0ubuntu0.14.04.1172","noFixRecorded":false,"fixedIn":null},{"text":"< 55.0.2883.87-0ubuntu0.16.04.1263","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 58.0.3029.81-0ubuntu0.14.04.1172 | < 55.0.2883.87-0ubuntu0.16.04.1263","eol":null,"hubHref":null},{"vendor":"google","product":"chrome","name":"chrome","label":"chrome","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 54.0.2840.87","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 54.0.2840.87","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"chrome","label":"Google Chrome","category":"app"}},"hubHref":"/vendor/google/chrome"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securitytracker.com/id/1037273","label":"www.securitytracker.com/id/1037273","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK"]},{"url":"https://security.gentoo.org/glsa/201611-16","label":"security.gentoo.org/glsa/201611-16","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"https://chromereleases.googleblog.com/2016/11/stable-channel-update-for-desktop_9.html","label":"chromereleases.googleblog.com/2016/11/stable-channel-update-for-desktop_9.html","hostname":"chromereleases.googleblog.com","tags":["X Refsource CONFIRM"]},{"url":"http://www.securityfocus.com/bid/94196","label":"www.securityfocus.com/bid/94196","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2718.html","label":"rhn.redhat.com/errata/RHSA-2016-2718.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://crbug.com/660678","label":"crbug.com/660678","hostname":"crbug.com","tags":["X Refsource CONFIRM"]},{"url":"https://ubuntu.com/security/CVE-2016-5201","label":"ubuntu.com/security/CVE-2016-5201","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-5201","label":"www.cve.org/CVERecord?id=CVE-2016-5201","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["DSA-3731-1","MGASA-2016-0403","OPENSUSE-SU-2024:10171-1","OPENSUSE-SU-2024:12948-1","RHSA-2016:2718"],"duplicates":[],"related":["OPENSUSE-SU-2024:10171-1","OPENSUSE-SU-2024:12948-1"]},"timeline":[{"kind":"published","date":"2017-01-19T05:43:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T00:53:48.626Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T12:25:56.101Z","stale":false,"partial":false}}