A website could have obscured the full screen 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 < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-x11 | Sep 7, 2023 | Aug 1, 2023 |
| Alpine Linux | — | Upgrade firefox-esrUpgrade firefox | Aug 22, 2024 | Aug 1, 2023 |
| Centos_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefox | Sep 5, 2023 | Aug 1, 2023 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jul 27, 2026 | Jul 27, 2026 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | Feb 21, 2024 | Aug 1, 2023 |
| Mfsa2023 29 | — | Upgrade to Mozilla Firefox version 116.0 | Aug 2, 2023 | Aug 1, 2023 |
| Mfsa2023 36 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 115.2 | Aug 30, 2023 | Aug 1, 2023 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 115.2 | Sep 5, 2023 | Aug 1, 2023 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox-x11Upgrade firefox | Sep 5, 2023 | Aug 29, 2023 |
| Redhat_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-x11Upgrade firefox-debugsourceNo solution exists | Sep 5, 2023 | Aug 1, 2023 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debuginfo | Mar 5, 2024 | Aug 1, 2023 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-other | Sep 6, 2023 | Aug 1, 2023 |
| Ubuntu | — | Upgrade firefox | Aug 3, 2023 | Aug 1, 2023 |
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