{"schemaVersion":3,"id":"USN-3991-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"firefox vulnerabilities\n\nMultiple security issues were discovered in Firefox. If a user were\ntricked in to opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, spoof the browser\nUI, trick the user in to launching local executable binaries, obtain\nsensitive information, conduct cross-site scripting (XSS) attacks, or\nexecute arbitrary code. (CVE-2019-11691, CVE-2019-11692, CVE-2019-11693,\nCVE-2019-11695, CVE-2019-11696, CVE-2019-11699, CVE-2019-11701,\nCVE-2019-7317, CVE-2019-9800, CVE-2019-9814, CVE-2019-9817, CVE-2019-9819,\nCVE-2019-9820, CVE-2019-9821)\n\nIt was discovered that pressing certain key combinations could bypass\naddon installation prompt delays. If a user opened a specially crafted\nwebsite, an attacker could potentially exploit this to trick them in to\ninstalling a malicious extension. (CVE-2019-11697)\n\nIt was discovered that history data could be exposed via drag and drop\nof hyperlinks to and from bookmarks. If a user were tricked in to dragging\na specially crafted hyperlink to the bookmark toolbar or sidebar, and\nsubsequently back in to the web content area, an attacker could\npotentially exploit this to obtain sensitive information. (CVE-2019-11698)\n\nA type confusion bug was discovered with object groups and UnboxedObjects.\nIf a user were tricked in to opening a specially crafted website after\nenabling the UnboxedObjects feature, an attacker could potentially\nexploit this to bypass security checks. (CVE-2019-9816)","dates":{"published":"2019-05-21T21:05:48.000Z","modified":"2026-05-29T18:00:40.936Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":[],"affected":[{"vendor":"ubuntu","product":"firefox","name":"firefox","label":"firefox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/firefox","purlType":"deb","versions":[{"text":"< 67.0+build2-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 67.0+build2-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 67.0+build2-0ubuntu0.16.04.1 | < 67.0+build2-0ubuntu0.18.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3991-1","label":"ubuntu.com/security/notices/USN-3991-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-7317","label":"ubuntu.com/security/CVE-2019-7317","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9800","label":"ubuntu.com/security/CVE-2019-9800","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9814","label":"ubuntu.com/security/CVE-2019-9814","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9816","label":"ubuntu.com/security/CVE-2019-9816","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9817","label":"ubuntu.com/security/CVE-2019-9817","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9819","label":"ubuntu.com/security/CVE-2019-9819","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9820","label":"ubuntu.com/security/CVE-2019-9820","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9821","label":"ubuntu.com/security/CVE-2019-9821","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11691","label":"ubuntu.com/security/CVE-2019-11691","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11692","label":"ubuntu.com/security/CVE-2019-11692","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11693","label":"ubuntu.com/security/CVE-2019-11693","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11695","label":"ubuntu.com/security/CVE-2019-11695","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11696","label":"ubuntu.com/security/CVE-2019-11696","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11697","label":"ubuntu.com/security/CVE-2019-11697","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11698","label":"ubuntu.com/security/CVE-2019-11698","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11699","label":"ubuntu.com/security/CVE-2019-11699","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-11701","label":"ubuntu.com/security/CVE-2019-11701","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-11691","CVE-2019-11692","CVE-2019-11693","CVE-2019-11695","CVE-2019-11696","CVE-2019-11697","CVE-2019-11698","CVE-2019-11699","CVE-2019-11701","CVE-2019-7317","CVE-2019-9800","CVE-2019-9814","CVE-2019-9816","CVE-2019-9817","CVE-2019-9819","CVE-2019-9820","CVE-2019-9821"],"downstream":[],"duplicates":[],"related":["CVE-2019-11691","CVE-2019-11692","CVE-2019-11693","CVE-2019-11695","CVE-2019-11696","CVE-2019-11697","CVE-2019-11698","CVE-2019-11699","CVE-2019-11701","CVE-2019-7317","CVE-2019-9800","CVE-2019-9814","CVE-2019-9816","CVE-2019-9817","CVE-2019-9819","CVE-2019-9820","CVE-2019-9821"]},"timeline":[{"kind":"published","date":"2019-05-21T21:05:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-05-29T18:00:40.936Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T15:34:58.126Z","stale":false,"partial":false}}