{"id":"USN-3918-1","summary":"firefox vulnerabilities","details":"Multiple 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 via application\ncrash, denial of service via successive FTP authorization prompts or modal\nalerts, trick the user with confusing permission request prompts, obtain\nsensitive information, conduct social engineering attacks, or execute\narbitrary code. (CVE-2019-9788, CVE-2019-9789, CVE-2019-9790,\nCVE-2019-9791, CVE-2019-9792, CVE-2019-9795, CVE-2019-9796, CVE-2019-9797,\nCVE-2019-9799, CVE-2019-9802, CVE-2019-9805, CVE-2019-9806, CVE-2019-9807,\nCVE-2019-9808, CVE-2019-9809)\n\nA mechanism was discovered that removes some bounds checking for string,\narray, or typed array accesses if Spectre mitigations have been disabled.\nIf a user were tricked in to opening a specially crafted website with\nSpectre mitigations disabled, an attacker could potentially exploit this\nto cause a denial of service, or execute arbitrary code. (CVE-2019-9793)\n\nIt was discovered that Upgrade-Insecure-Requests was incorrectly enforced\nfor same-origin navigation. An attacker could potentially exploit this to\nconduct machine-in-the-middle (MITM) attacks. (CVE-2019-9803)\n","modified":"2026-02-10T04:41:29Z","published":"2019-03-21T20:55:03Z","related":["UBUNTU-CVE-2019-9788","UBUNTU-CVE-2019-9789","UBUNTU-CVE-2019-9790","UBUNTU-CVE-2019-9791","UBUNTU-CVE-2019-9792","UBUNTU-CVE-2019-9793","UBUNTU-CVE-2019-9795","UBUNTU-CVE-2019-9796","UBUNTU-CVE-2019-9797","UBUNTU-CVE-2019-9799","UBUNTU-CVE-2019-9802","UBUNTU-CVE-2019-9803","UBUNTU-CVE-2019-9805","UBUNTU-CVE-2019-9806","UBUNTU-CVE-2019-9807","UBUNTU-CVE-2019-9808","UBUNTU-CVE-2019-9809"],"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","UBUNTU-CVE-2019-9788","UBUNTU-CVE-2019-9789","UBUNTU-CVE-2019-9790","UBUNTU-CVE-2019-9791","UBUNTU-CVE-2019-9792","UBUNTU-CVE-2019-9793","UBUNTU-CVE-2019-9795","UBUNTU-CVE-2019-9796","UBUNTU-CVE-2019-9797","UBUNTU-CVE-2019-9799","UBUNTU-CVE-2019-9802","UBUNTU-CVE-2019-9803","UBUNTU-CVE-2019-9805","UBUNTU-CVE-2019-9806","UBUNTU-CVE-2019-9807","UBUNTU-CVE-2019-9808","UBUNTU-CVE-2019-9809"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3918-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9788"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9789"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9790"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9791"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9792"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9793"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9795"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9796"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9797"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9799"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9802"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9803"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9805"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9806"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9807"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9808"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-9809"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/firefox@66.0+build3-0ubuntu0.16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"66.0+build3-0ubuntu0.16.04.2"}]}],"versions":["41.0.2+build2-0ubuntu1","42.0+build2-0ubuntu1","44.0+build3-0ubuntu2","44.0.1+build1-0ubuntu1","44.0.2+build1-0ubuntu1","45.0+build2-0ubuntu1","45.0.1+build1-0ubuntu1","45.0.2+build1-0ubuntu1","46.0+build5-0ubuntu0.16.04.2","46.0.1+build1-0ubuntu0.16.04.2","47.0+build3-0ubuntu0.16.04.1","48.0+build2-0ubuntu0.16.04.1","49.0+build4-0ubuntu0.16.04.1","49.0.2+build2-0ubuntu0.16.04.2","50.0+build2-0ubuntu0.16.04.2","50.0.2+build1-0ubuntu0.16.04.1","50.1.0+build2-0ubuntu0.16.04.1","51.0.1+build2-0ubuntu0.16.04.1","51.0.1+build2-0ubuntu0.16.04.2","52.0+build2-0ubuntu0.16.04.1","52.0.1+build2-0ubuntu0.16.04.1","52.0.2+build1-0ubuntu0.16.04.1","53.0+build6-0ubuntu0.16.04.1","53.0.2+build1-0ubuntu0.16.04.2","53.0.3+build1-0ubuntu0.16.04.2","54.0+build3-0ubuntu0.16.04.1","55.0.1+build2-0ubuntu0.16.04.2","55.0.2+build1-0ubuntu0.16.04.1","56.0+build6-0ubuntu0.16.04.1","56.0+build6-0ubuntu0.16.04.2","57.0+build4-0ubuntu0.16.04.5","57.0+build4-0ubuntu0.16.04.6","57.0.1+build2-0ubuntu0.16.04.1","57.0.3+build1-0ubuntu0.16.04.1","57.0.4+build1-0ubuntu0.16.04.1","58.0+build6-0ubuntu0.16.04.1","58.0.1+build1-0ubuntu0.16.04.1","58.0.2+build1-0ubuntu0.16.04.1","59.0+build5-0ubuntu0.16.04.1","59.0.1+build1-0ubuntu0.16.04.1","59.0.2+build1-0ubuntu0.16.04.1","59.0.2+build1-0ubuntu0.16.04.3","60.0+build2-0ubuntu0.16.04.1","60.0.1+build2-0ubuntu0.16.04.1","60.0.2+build1-0ubuntu0.16.04.1","61.0+build3-0ubuntu0.16.04.2","61.0.1+build1-0ubuntu0.16.04.1","62.0+build2-0ubuntu0.16.04.3","62.0+build2-0ubuntu0.16.04.4","62.0+build2-0ubuntu0.16.04.5","62.0.3+build1-0ubuntu0.16.04.2","63.0+build2-0ubuntu0.16.04.2","63.0.3+build1-0ubuntu0.16.04.1","64.0+build3-0ubuntu0.16.04.1","65.0+build2-0ubuntu0.16.04.1","65.0.1+build2-0ubuntu0.16.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"66.0+build3-0ubuntu0.16.04.2","binary_name":"firefox"},{"binary_version":"66.0+build3-0ubuntu0.16.04.2","binary_name":"firefox-dev"},{"binary_version":"66.0+build3-0ubuntu0.16.04.2","binary_name":"firefox-globalmenu"},{"binary_version":"66.0+build3-0ubuntu0.16.04.2","binary_name":"firefox-mozsymbols"},{"binary_version":"66.0+build3-0ubuntu0.16.04.2","binary_name":"firefox-testsuite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3918-1.json","cves_map":{"cves":[{"id":"CVE-2019-9788","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"negligible","type":"Ubuntu"}]},{"id":"CVE-2019-9789","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9790","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9791","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9792","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9793","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9795","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9796","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9797","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9799","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9802","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9803","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9805","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2019-9806","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2019-9807","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2019-9808","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2019-9809","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"firefox","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/firefox@66.0+build3-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"66.0+build3-0ubuntu0.18.04.1"}]}],"versions":["56.0+build6-0ubuntu1","57.0.1+build2-0ubuntu1","59.0.1+build1-0ubuntu1","59.0.2+build1-0ubuntu1","60.0+build2-0ubuntu1","60.0.1+build2-0ubuntu0.18.04.1","60.0.2+build1-0ubuntu0.18.04.1","61.0+build3-0ubuntu0.18.04.1","61.0.1+build1-0ubuntu0.18.04.1","62.0+build2-0ubuntu0.18.04.3","62.0+build2-0ubuntu0.18.04.4","62.0+build2-0ubuntu0.18.04.5","62.0.3+build1-0ubuntu0.18.04.1","63.0+build2-0ubuntu0.18.04.2","63.0.3+build1-0ubuntu0.18.04.1","64.0+build3-0ubuntu0.18.04.1","65.0+build2-0ubuntu0.18.04.1","65.0.1+build2-0ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"No 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