{"schemaVersion":3,"id":"CVE-2018-5179","aliases":["UBUNTU-CVE-2018-5179"],"status":"published","duplicateOf":null,"title":null,"description":"A service worker can send the activate event on itself periodically which allows it to run perpetually, allowing it to monitor activity by users. Affects all versions prior to Firefox 60.","dates":{"published":"2019-04-26T13:55:13.000Z","modified":"2024-08-05T05:26:46.996Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.01668,"percentile":0.7639,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0.179,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.01489},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01347,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01668,"percentile":0.7639}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01347,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01489,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01668,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01668,"percentile":0.7639}]},"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-772","name":"Missing Release of Resource after Effective Lifetime","description":"The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/772.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":"< 70.0.3538.67-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 70.0.3538.67-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 70.0.3538.67-0ubuntu0.16.04.1 | < 70.0.3538.67-0ubuntu0.18.04.1","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":"mozilla","product":"firefox","name":"firefox","label":"firefox","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 60.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 60.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"firefox","label":"Firefox","category":"app"}},"hubHref":"/vendor/mozilla/firefox"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/","label":"www.mozilla.org/en-US/security/advisories/mfsa2018-11/","hostname":"www.mozilla.org","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-5179","label":"ubuntu.com/security/CVE-2018-5179","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5179","label":"www.cve.org/CVERecord?id=CVE-2018-5179","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["DSA-4330-1","OPENSUSE-SU-2018:3835-1","OPENSUSE-SU-2024:10681-1","OPENSUSE-SU-2024:12948-1","RHSA-2018:3004","SUSE-SU-2019:2872-1"],"duplicates":[],"related":["OPENSUSE-SU-2018:3835-1","OPENSUSE-SU-2024:10681-1","OPENSUSE-SU-2024:12948-1","SUSE-SU-2019:2872-1"]},"timeline":[{"kind":"published","date":"2019-04-26T13:55:13.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T05:26:46.996Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T11:04:27.948Z","stale":false,"partial":false}}