A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Nov 8, 2019 | Jul 23, 2019 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Apr 27, 2020 | Jul 23, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 23, 2019 |
| Centos_linux | — | Upgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | May 31, 2019 | May 21, 2019 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 23, 2019 | May 23, 2019 |
| Freebsd | — | Upgrade firefox-esrUpgrade waterfoxUpgrade linux-firefoxUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade seamonkeyUpgrade firefoxUpgrade thunderbirdUpgrade libxul | May 23, 2019 | May 22, 2019 |
| Mfsa2019 13 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 67.0 | May 22, 2019 | May 21, 2019 |
| Mfsa2019 14 | — | Upgrade to Mozilla Firefox ESR version 60.7Upgrade to the latest version of Mozilla Firefox | May 22, 2019 | May 21, 2019 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 60.7 | May 23, 2019 | May 21, 2019 |
| Oracle Solaris | — | Upgrade web/data/firefox-bookmarks to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade web/browser/firefox to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4Upgrade mail/thunderbird to version 60.7.0-11.4.10.0.1.2.0 on Solaris 11.4 | Jun 26, 2019 | Jun 26, 2019 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | May 24, 2019 | May 22, 2019 |
| Redhat_linux | — | Upgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-debugsource | May 24, 2019 | May 23, 2019 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-buildsymbolsUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-common | May 31, 2019 | May 21, 2019 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | May 22, 2019 | May 21, 2019 |
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