A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select element in the options collection. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Apr 16, 2019 | Feb 28, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | 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 thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox | Dec 25, 2018 | Dec 11, 2018 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Dec 13, 2018 | Dec 11, 2018 |
| Freebsd | — | Upgrade waterfoxUpgrade seamonkeyUpgrade firefox-esrUpgrade linux-firefoxUpgrade linux-seamonkeyUpgrade linux-thunderbirdUpgrade libxulUpgrade firefoxUpgrade thunderbird | Dec 12, 2018 | Dec 11, 2018 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Mar 11, 2019 | Feb 28, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade firefox | May 1, 2019 | Feb 28, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade firefox | May 30, 2019 | Feb 28, 2019 |
| Mfsa2018 29 | — | Upgrade to Mozilla Firefox version 64.0Upgrade to the latest version of Mozilla Firefox | Dec 12, 2018 | Dec 11, 2018 |
| Mfsa2018 30 | — | Upgrade to Mozilla Firefox ESR version 60.4Upgrade to the latest version of Mozilla Firefox | Dec 12, 2018 | Dec 11, 2018 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 60.4Upgrade to the latest version of Mozilla Thunderbird | Jan 18, 2019 | Dec 21, 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 web/data/firefox-bookmarks to version 60.5.0-11.4.6.0.1.4.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.6.1-11.4.9.0.1.2.0 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 firefoxUpgrade thunderbird | Dec 18, 2018 | Dec 11, 2018 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird | Dec 18, 2018 | Dec 17, 2018 |
| Suse | — | Upgrade mozilla-nss-certs-32bitUpgrade mozillafirefox-branding-upstreamUpgrade mozilla-nss-develUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-otherUpgrade libsoftokn3Upgrade mozilla-nss-certsUpgrade MozillaFirefox-develUpgrade mozilla-nssUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-translations-commonUpgrade mozilla-nss-toolsUpgrade mozilla-nsprUpgrade libsoftokn3-32bitUpgrade mozilla-nss-32bitUpgrade mozilla-nss-sysinit-32bitUpgrade mozilla-nspr-32bitUpgrade MozillaThunderbird-buildsymbolsUpgrade libfreebl3Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade mozilla-nspr-develUpgrade libfreebl3-32bitUpgrade mozilla-nss-sysinitUpgrade MozillaThunderbird | Dec 14, 2018 | Dec 11, 2018 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Jan 10, 2019 | Dec 11, 2018 |
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