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When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esrUpgrade thunderbirdUpgrade librewolfUpgrade firefox | Aug 22, 2024 | Nov 3, 2021 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird. | Aug 11, 2022 | Nov 3, 2021 |
| Mfsa2021 38 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 92.0 | Sep 8, 2021 | Sep 7, 2021 |
| Mfsa2021 39 | — | Upgrade to Mozilla Firefox ESR version 78.14Upgrade to the latest version of Mozilla Firefox | Sep 8, 2021 | Sep 7, 2021 |
| Mfsa2021 40 | — | Upgrade to Mozilla Firefox ESR version 91.1Upgrade to the latest version of Mozilla Firefox | Sep 8, 2021 | Sep 7, 2021 |
| Mfsa2021 41 | — | Upgrade to Mozilla Firefox ESR version 91.1 | Sep 8, 2021 | Sep 7, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 78.14Upgrade to the latest version of Mozilla Thunderbird | Sep 8, 2021 | Sep 7, 2021 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade web/browser/firefox to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade mail/thunderbird to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4 | Nov 17, 2021 | Nov 17, 2021 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-branding-SLEDUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade rust-cbindgenUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-sle | Sep 23, 2021 | Sep 22, 2021 |
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