{"id":"UBUNTU-CVE-2023-37207","details":"A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox \u003c 115, Firefox ESR \u003c 102.13, and Thunderbird \u003c 102.13.","modified":"2026-01-30T01:05:06.289087Z","published":"2023-07-05T09:15:00Z","related":["USN-6201-1","USN-6214-1"],"upstream":["CVE-2023-37207"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-37207"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-22/#CVE-2023-37207"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-23/#CVE-2023-37207"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-24/#CVE-2023-37207"},{"type":"REPORT","url":"https://www.mozilla.org/security/advisories/mfsa2023-23/"},{"type":"REPORT","url":"https://www.mozilla.org/security/advisories/mfsa2023-22/"},{"type":"REPORT","url":"https://www.mozilla.org/security/advisories/mfsa2023-24/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1816287"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6201-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6214-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-37207"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/firefox@115.0+build2-0ubuntu0.20.04.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"115.0+build2-0ubuntu0.20.04.3"}]}],"versions":["69.0.3+build1-0ubuntu1","70.0+build2-0ubuntu1","70.0+build2-0ubuntu2","70.0.1+build1-0ubuntu2","71.0+build2-0ubuntu2","71.0+build5-0ubuntu1","72.0.1+build1-0ubuntu1","72.0.2+build1-0ubuntu1","73.0+build1-0ubuntu1","73.0+build2-0ubuntu1","73.0+build3-0ubuntu1","73.0.1+build1-0ubuntu1","74.0+build1-0ubuntu1","74.0+build2-0ubuntu1","74.0+build2-0ubuntu2","74.0+build3-0ubuntu1","75.0+build3-0ubuntu1","76.0+build2-0ubuntu0.20.04.1","76.0.1+build1-0ubuntu0.20.04.1","77.0.1+build1-0ubuntu0.20.04.1","78.0.1+build1-0ubuntu0.20.04.1","78.0.2+build2-0ubuntu0.20.04.1","79.0+build1-0ubuntu0.20.04.1","80.0+build2-0ubuntu0.20.04.1","80.0.1+build1-0ubuntu0.20.04.1","81.0+build2-0ubuntu0.20.04.1","81.0.2+build1-0ubuntu0.20.04.1","82.0+build2-0ubuntu0.20.04.1","82.0.2+build1-0ubuntu0.20.04.1","82.0.3+build1-0ubuntu0.20.04.1","83.0+build2-0ubuntu0.20.04.1","84.0+build3-0ubuntu0.20.04.1","84.0.1+build1-0ubuntu0.20.04.1","84.0.2+build1-0ubuntu0.20.04.1","85.0+build1-0ubuntu0.20.04.1","85.0.1+build1-0ubuntu0.20.04.1","86.0+build3-0ubuntu0.20.04.1","86.0.1+build1-0ubuntu0.20.04.1","87.0+build3-0ubuntu0.20.04.2","88.0+build2-0ubuntu0.20.04.1","88.0.1+build1-0ubuntu0.20.04.2","89.0+build2-0ubuntu0.20.04.2","89.0.1+build1-0ubuntu0.20.04.1","89.0.2+build1-0ubuntu0.20.04.1","90.0+build1-0ubuntu0.20.04.1","90.0.2+build1-0ubuntu0.20.04.1","91.0+build2-0ubuntu0.20.04.1","91.0.1+build1-0ubuntu0.20.04.1","91.0.2+build1-0ubuntu0.20.04.1","92.0+build3-0ubuntu0.20.04.1","93.0+build1-0ubuntu0.20.04.1","94.0+build3-0ubuntu0.20.04.1","95.0+build1-0ubuntu0.20.04.1","95.0.1+build2-0ubuntu0.20.04.1","96.0+build2-0ubuntu0.20.04.1","97.0+build2-0ubuntu0.20.04.1","97.0.2+build1-0ubuntu0.20.04.1","98.0+build3-0ubuntu0.20.04.2","98.0.1+build2-0ubuntu0.20.04.1","98.0.2+build1-0ubuntu0.20.04.1","99.0+build2-0ubuntu0.20.04.2","100.0+build2-0ubuntu0.20.04.1","100.0.2+build1-0ubuntu0.20.04.1","101.0.1+build1-0ubuntu0.20.04.1","102.0+build2-0ubuntu0.20.04.1","103.0+build1-0ubuntu0.20.04.1","104.0+build3-0ubuntu0.20.04.1","105.0+build2-0ubuntu0.20.04.1","106.0.2+build1-0ubuntu0.20.04.1","106.0.5+build1-0ubuntu0.20.04.1","107.0+build2-0ubuntu0.20.04.1","108.0+build2-0ubuntu0.20.04.1","108.0.1+build1-0ubuntu0.20.04.1","108.0.2+build1-0ubuntu0.20.04.1","109.0+build2-0ubuntu0.20.04.1","109.0.1+build1-0ubuntu0.20.04.2","110.0+build3-0ubuntu0.20.04.1","110.0.1+build2-0ubuntu0.20.04.1","111.0+build2-0ubuntu0.20.04.1","111.0.1+build2-0ubuntu0.20.04.1","112.0+build2-0ubuntu0.20.04.1","112.0.1+build1-0ubuntu0.20.04.1","112.0.2+build1-0ubuntu0.20.04.1","113.0+build2-0ubuntu0.20.04.1","113.0.1+build1-0ubuntu0.20.04.1","113.0.2+build1-0ubuntu0.20.04.1","114.0+build3-0ubuntu0.20.04.1","114.0.1+build1-0ubuntu0.20.04.1","114.0.2+build1-0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No 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