After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. This bug only affects Firefox on Linux. Other operating systems are unaffected.. This vulnerability affects Firefox < 91 and Thunderbird < 91.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "91.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "91.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "91.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "91.0+build2-0ubuntu0.18.04.1" } ] }
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{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "91.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "91.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "91.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "91.0+build2-0ubuntu0.20.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" } ] }