{"id":"USN-4278-3","aliases":[],"status":"published","title":"firefox regressions","description":"USN-4278-1 fixed vulnerabilities in Firefox. The update introduced various\nminor regressions. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Multiple security issues were discovered in Firefox. If a user were tricked\n in to opening a specially crafted website, an attacker could potentially\n exploit these to cause a denial of service, conduct cross-site scripting\n (XSS) attacks, or execute arbitrary code.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-02-26T13:56:09Z","modified":"2026-04-22T10:03:08Z","fixes":[{"ecosystem":"Ubuntu:18.04:LTS","package":"firefox","fixed_in":["73.0.1+build1-0ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"73.0.1+build1-0ubuntu0.18.04.1"}]}],"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","66.0+build3-0ubuntu0.18.04.1","66.0.1+build1-0ubuntu0.18.04.1","66.0.2+build1-0ubuntu0.18.04.1","66.0.3+build1-0ubuntu0.18.04.1","66.0.4+build3-0ubuntu0.18.04.1","66.0.5+build1-0ubuntu0.18.04.1","67.0+build2-0ubuntu0.18.04.1","67.0.1+build1-0ubuntu0.18.04.1","67.0.2+build2-0ubuntu0.18.04.1","67.0.3+build1-0ubuntu0.18.04.1","67.0.4+build1-0ubuntu0.18.04.1","68.0+build3-0ubuntu0.18.04.1","68.0.1+build1-0ubuntu0.18.04.1","68.0.2+build1-0ubuntu0.18.04.1","69.0+build2-0ubuntu0.18.04.1","69.0.1+build1-0ubuntu0.18.04.1","69.0.2+build1-0ubuntu0.18.04.1","70.0+build2-0ubuntu0.18.04.1","70.0.1+build1-0ubuntu0.18.04.1","71.0+build5-0ubuntu0.18.04.1","72.0.1+build1-0ubuntu0.18.04.1","72.0.2+build1-0ubuntu0.18.04.1","73.0+build3-0ubuntu0.18.04.1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-4278-3","tags":["advisory"]},{"url":"https://launchpad.net/bugs/1864852","tags":["report"]}],"sources":{"osv":[{"id":"USN-4278-3","title":"firefox regressions","description":"USN-4278-1 fixed vulnerabilities in Firefox. The update introduced various\nminor regressions. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Multiple security issues were discovered in Firefox. If a user were tricked\n in to opening a specially crafted website, an attacker could potentially\n exploit these to cause a denial of service, conduct cross-site scripting\n (XSS) attacks, or execute arbitrary code.\n","status":"published","published":"2020-02-26T13:56:09Z","modified":"2026-04-22T10:03:08.046379Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}