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 < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
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"binary_name": "firefox-dev",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
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"binary_name": "firefox-geckodriver",
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{
"binary_name": "firefox-mozsymbols",
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}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
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"binary_name": "thunderbird-dev",
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"binary_name": "thunderbird-gnome-support",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
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"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
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{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:102.13.0+build1-0ubuntu0.20.04.1"
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"binary_name": "xul-ext-gdata-provider",
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"binary_name": "xul-ext-lightning",
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{
"availability": "No subscription required",
"binaries": [
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"binary_name": "thunderbird",
"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
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"binary_version": "1:102.13.0+build1-0ubuntu0.22.04.1"
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"binary_name": "thunderbird-gnome-support",
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"binary_name": "thunderbird-mozsymbols",
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"binary_name": "xul-ext-calendar-timezones",
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]
}