A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
{ "binaries": [ { "binary_version": "110.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "110.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "110.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "110.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "110.0+build3-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "110.0+build3-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "110.0+build3-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "110.0+build3-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:102.8.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }