When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade thunderbirdUpgrade mozjs68Upgrade librewolfUpgrade firefox-esrUpgrade firefox | Aug 10, 2020 | Jul 9, 2020 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | Jul 23, 2020 | Jul 9, 2020 |
| Centos_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debuginfo | Jul 8, 2020 | Jul 6, 2020 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Jul 6, 2020 | Jul 6, 2020 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin. | Jul 28, 2020 | Jul 9, 2020 |
| Mfsa2020 24 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 78.0 | Jul 2, 2020 | Jun 30, 2020 |
| Mfsa2020 25 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 68.10 | Jul 2, 2020 | Jun 30, 2020 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 78.0 | Jul 6, 2020 | Jun 30, 2020 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 68.11.0-11.4.25.0.1.75.1 on Solaris 11.4Upgrade mail/thunderbird to version 68.11.0-11.4.25.0.1.75.1 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 68.11.0-11.4.25.0.1.75.1 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.11.0-11.4.25.0.1.75.1 on Solaris 11.4 | Jan 19, 2021 | Jul 9, 2020 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Jul 8, 2020 | Jun 30, 2020 |
| Redhat_linux | — | No solution existsUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debugsource | Jul 8, 2020 | Jul 6, 2020 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-branding-SLEDUpgrade mozillafirefox-branding-sleUpgrade MozillaFirefox | Jul 9, 2020 | Jul 7, 2020 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Aug 5, 2020 | Jul 7, 2020 |
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