When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Apr 16, 2019 | Feb 28, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | Apr 27, 2020 | Feb 28, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Feb 28, 2019 |
| Centos_linux | — | Upgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox | Oct 27, 2018 | Oct 23, 2018 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Oct 25, 2018 | Oct 23, 2018 |
| Freebsd | — | Upgrade linux-seamonkeyUpgrade seamonkeyUpgrade waterfoxUpgrade linux-firefoxUpgrade libxulUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade firefoxUpgrade firefox-esr | Oct 24, 2018 | Oct 23, 2018 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | Nov 9, 2018 | Nov 9, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade firefox | Oct 4, 2019 | Feb 28, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade firefox | Oct 4, 2019 | Feb 28, 2019 |
| Mfsa2018 26 | — | Upgrade to Mozilla Firefox version 63.0Upgrade to the latest version of Mozilla Firefox | Oct 24, 2018 | Oct 23, 2018 |
| Mfsa2018 27 | — | Upgrade to Mozilla Firefox ESR version 60.3Upgrade to the latest version of Mozilla Firefox | Oct 24, 2018 | Oct 23, 2018 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 60.3Upgrade to the latest version of Mozilla Thunderbird | Nov 1, 2018 | Oct 31, 2018 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.6.1-11.4.9.0.1.2.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.6.1-11.4.9.0.1.2.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 60.5.0-11.4.6.0.1.4.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.5.0-11.4.6.0.1.4.0 on Solaris 11.4 | Feb 20, 2019 | Feb 20, 2019 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Nov 2, 2018 | Oct 23, 2018 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird | Oct 25, 2018 | Oct 24, 2018 |
| Suse | — | Upgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstream | Oct 26, 2018 | Oct 23, 2018 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 7, 2018 | Oct 23, 2018 |
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