{"schemaVersion":3,"id":"CVE-2018-6151","aliases":["UBUNTU-CVE-2018-6151"],"status":"published","duplicateOf":null,"title":null,"description":"Bad cast in DevTools in Google Chrome on Win, Linux, Mac, Chrome OS prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension.","dates":{"published":"2019-01-09T19:00:00.000Z","modified":"2024-08-05T05:54:53.189Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","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:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":8.8,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":7.2,"impact":9.8,"computed":true}]},"epss":{"probability":0.01208,"percentile":0.67919,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01208},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01326,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01208,"percentile":0.67919}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01326,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01208,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01208,"percentile":0.67919}]},"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-125","name":"Out-of-bounds Read","description":"The product reads data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/125.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":"< 68.0.3440.75-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 68.0.3440.75-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 68.0.3440.75-0ubuntu0.16.04.1 | < 68.0.3440.75-0ubuntu0.18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"oxide-qt","name":"oxide-qt","label":"oxide-qt","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/oxide-qt","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0","eol":{"isEol":true,"eolDate":"2022-07-01T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"9","label":"9 (Stretch)","eolFrom":"2022-07-01T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"9.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"google","product":"chrome","name":"chrome","label":"chrome","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 66.0.3359.117","noFixRecorded":false,"fixedIn":null},{"text":"< 66.0.3359.117","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 66.0.3359.117 | < 66.0.3359.117","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"chrome","label":"Google Chrome","category":"app"}},"hubHref":"/vendor/google/chrome"},{"vendor":"redhat","product":"enterprise_linux_desktop","name":"enterprise linux desktop","label":"enterprise_linux_desktop","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.0","eol":null,"hubHref":"/vendor/redhat/enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_server","name":"enterprise linux server","label":"enterprise_linux_server","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.0","eol":null,"hubHref":"/vendor/redhat/enterprise_linux_server"},{"vendor":"redhat","product":"enterprise_linux_workstation","name":"enterprise linux workstation","label":"enterprise_linux_workstation","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.0","eol":null,"hubHref":"/vendor/redhat/enterprise_linux_workstation"}],"affectedCount":7,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html","label":"chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html","hostname":"chromereleases.googleblog.com","tags":["X Refsource CONFIRM"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2282","label":"access.redhat.com/errata/RHSA-2018:2282","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://security.gentoo.org/glsa/201808-01","label":"security.gentoo.org/glsa/201808-01","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"https://www.debian.org/security/2018/dsa-4256","label":"www.debian.org/security/2018/dsa-4256","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"https://crbug.com/805905","label":"crbug.com/805905","hostname":"crbug.com","tags":["X Refsource MISC"]},{"url":"http://www.securityfocus.com/bid/104887","label":"www.securityfocus.com/bid/104887","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://ubuntu.com/security/CVE-2018-6151","label":"ubuntu.com/security/CVE-2018-6151","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-6151","label":"www.cve.org/CVERecord?id=CVE-2018-6151","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["DSA-4256-1","MGASA-2018-0343","RHSA-2018:2282"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-01-09T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T05:54:53.189Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:40:36.728Z","stale":false,"partial":false}}