{"schemaVersion":3,"id":"USN-3918-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"firefox vulnerabilities\n\nUSN-3918-1 fixed vulnerabilities in Firefox. This update provides the\ncorresponding updates for Ubuntu 14.04 LTS.\n\nOriginal advisory details:\n\n Multiple security issues were discovered in Firefox. If a user were\n tricked in to opening a specially crafted website, an attacker could\n potentially exploit these to cause a denial of service via application\n crash, denial of service via successive FTP authorization prompts or modal\n alerts, trick the user with confusing permission request prompts, obtain\n sensitive information, conduct social engineering attacks, or execute\n arbitrary code. (CVE-2019-9788, CVE-2019-9789, CVE-2019-9790,\n CVE-2019-9791, CVE-2019-9792, CVE-2019-9795, CVE-2019-9796, CVE-2019-9797,\n CVE-2019-9799, CVE-2019-9802, CVE-2019-9805, CVE-2019-9806, CVE-2019-9807,\n CVE-2019-9808, CVE-2019-9809)\n\n A mechanism was discovered that removes some bounds checking for string,\n array, or typed array accesses if Spectre mitigations have been disabled.\n If a user were tricked in to opening a specially crafted website with\n Spectre mitigations disabled, an attacker could potentially exploit this\n to cause a denial of service, or execute arbitrary code. (CVE-2019-9793)\n\n It was discovered that Upgrade-Insecure-Requests was incorrectly enforced\n for same-origin navigation. An attacker could potentially exploit this to\n conduct machine-in-the-middle (MITM) attacks. (CVE-2019-9803)","dates":{"published":"2019-03-25T14:13:24.000Z","modified":"2026-04-22T09:55:07.983Z","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":"< 66.0.1+build1-0ubuntu0.14.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 66.0.1+build1-0ubuntu0.14.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3918-2","label":"ubuntu.com/security/notices/USN-3918-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-9788","label":"ubuntu.com/security/CVE-2019-9788","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9789","label":"ubuntu.com/security/CVE-2019-9789","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9790","label":"ubuntu.com/security/CVE-2019-9790","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9791","label":"ubuntu.com/security/CVE-2019-9791","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9792","label":"ubuntu.com/security/CVE-2019-9792","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9793","label":"ubuntu.com/security/CVE-2019-9793","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9795","label":"ubuntu.com/security/CVE-2019-9795","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9796","label":"ubuntu.com/security/CVE-2019-9796","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9797","label":"ubuntu.com/security/CVE-2019-9797","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9799","label":"ubuntu.com/security/CVE-2019-9799","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9802","label":"ubuntu.com/security/CVE-2019-9802","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9803","label":"ubuntu.com/security/CVE-2019-9803","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9805","label":"ubuntu.com/security/CVE-2019-9805","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9806","label":"ubuntu.com/security/CVE-2019-9806","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9807","label":"ubuntu.com/security/CVE-2019-9807","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9808","label":"ubuntu.com/security/CVE-2019-9808","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-9809","label":"ubuntu.com/security/CVE-2019-9809","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-9788","CVE-2019-9789","CVE-2019-9790","CVE-2019-9791","CVE-2019-9792","CVE-2019-9793","CVE-2019-9795","CVE-2019-9796","CVE-2019-9797","CVE-2019-9799","CVE-2019-9802","CVE-2019-9803","CVE-2019-9805","CVE-2019-9806","CVE-2019-9807","CVE-2019-9808","CVE-2019-9809"],"downstream":[],"duplicates":[],"related":["CVE-2019-9788","CVE-2019-9789","CVE-2019-9790","CVE-2019-9791","CVE-2019-9792","CVE-2019-9793","CVE-2019-9795","CVE-2019-9796","CVE-2019-9797","CVE-2019-9799","CVE-2019-9802","CVE-2019-9803","CVE-2019-9805","CVE-2019-9806","CVE-2019-9807","CVE-2019-9808","CVE-2019-9809"]},"timeline":[{"kind":"published","date":"2019-03-25T14:13:24.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:55:07.983Z","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":"2026-10-20T16:13:33.131Z","stale":false,"partial":false}}