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Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered. This vulnerability affects Firefox ESR < 60.9, Firefox ESR < 68.1, and Firefox < 69.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefoxUpgrade firefox-esr | Jan 8, 2020 | Jan 8, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 8, 2020 |
| Centos_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefox | Sep 5, 2019 | Sep 4, 2019 |
| Debian | — | Upgrade firefox-esr | Sep 9, 2019 | Sep 9, 2019 |
| Freebsd | — | Upgrade firefoxUpgrade seamonkeyUpgrade firefox-esrUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade waterfoxUpgrade libxulUpgrade linux-firefox | Sep 4, 2019 | Sep 3, 2019 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | Nov 25, 2019 | Nov 25, 2019 |
| Mfsa2019 25 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 69.0 | Sep 4, 2019 | Sep 3, 2019 |
| Mfsa2019 26 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 68.1 | Sep 4, 2019 | Sep 3, 2019 |
| Mfsa2019 27 | — | Upgrade to Mozilla Firefox ESR version 60.9Upgrade to the latest version of Mozilla Firefox | Sep 4, 2019 | Sep 3, 2019 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 60.9.0-11.4.14.0.1.3.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.9.0-11.4.14.0.1.3.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 60.9.0-11.4.14.0.1.2.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.9.0-11.4.14.0.1.2.0 on Solaris 11.4 | Oct 16, 2019 | Oct 16, 2019 |
| Oracle_linux | — | Upgrade firefox | Sep 11, 2019 | Sep 3, 2019 |
| Redhat_linux | — | Upgrade firefox-debuginfoNo solution existsUpgrade firefox-debugsourceUpgrade firefox | Sep 5, 2019 | Sep 4, 2019 |
| Suse | — | Upgrade libfirefox-gio-2_0-0Upgrade firefox-glib2-toolsUpgrade firefox-gtk3-immodule-amharicUpgrade libsoftokn3-32bitUpgrade firefox-gtk3-dataUpgrade mozilla-nss-develUpgrade MozillaFirefox-translations-otherUpgrade firefox-gtk3-immodule-vietnameseUpgrade mozillafirefox-branding-sleUpgrade libsoftokn3Upgrade libfirefox-glib-2_0-0Upgrade firefox-gtk3-immodule-inuktitutUpgrade mozilla-nss-certs-32bitUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade firefox-gtk3-langUpgrade MozillaFirefoxUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade libfreebl3-32bitUpgrade firefox-libatk-1_0-0Upgrade mozilla-nss-32bitUpgrade firefox-libpango-1_0-0Upgrade mozilla-nss-toolsUpgrade firefox-gtk3-immodules-tigrignaUpgrade firefox-libcairo2Upgrade mozilla-nss-certsUpgrade firefox-glib2-langUpgrade mozillafirefox-branding-upstreamUpgrade mozilla-nssUpgrade firefox-libffi4Upgrade libfreebl3Upgrade mozilla-nspr-32bitUpgrade MozillaFirefox-develUpgrade libfirefox-gthread-2_0-0Upgrade mozillafirefox-buildsymbolsUpgrade firefox-gtk3-immodule-ximUpgrade mozilla-nspr-develUpgrade firefox-gdk-pixbuf-langUpgrade firefox-gtk3-branding-upstreamUpgrade firefox-gtk3-immodule-thaiUpgrade firefox-libgtk-3-0Upgrade MozillaFirefox-branding-SLEDUpgrade firefox-libcairo-gobject2Upgrade firefox-atk-langUpgrade firefox-gtk3-toolsUpgrade libfirefox-gmodule-2_0-0Upgrade firefox-libharfbuzz0Upgrade mozilla-nsprUpgrade firefox-libffi7Upgrade libfirefox-gobject-2_0-0Upgrade firefox-gio-branding-upstreamUpgrade firefox-gtk3-immodule-multipressUpgrade MozillaFirefox-translations-commonUpgrade firefox-gdk-pixbuf-query-loaders | Sep 18, 2019 | Sep 3, 2019 |
| Ubuntu | — | Upgrade firefox | Sep 5, 2019 | Sep 3, 2019 |
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