A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefox-esr | Aug 22, 2024 | Jun 11, 2018 |
| Centos_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Jun 19, 2018 | Jan 29, 2018 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Feb 19, 2019 | Jun 11, 2018 |
| Freebsd | — | Upgrade linux-thunderbirdUpgrade firefox-esrUpgrade linux-seamonkeyUpgrade libxulUpgrade thunderbirdUpgrade waterfoxUpgrade seamonkeyUpgrade firefoxUpgrade linux-firefox | Dec 10, 2025 | Jan 23, 2018 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin. | Feb 20, 2018 | Feb 20, 2018 |
| Mfsa2018 02 | — | Upgrade to Mozilla Firefox version 58.0Upgrade to the latest version of Mozilla Firefox | Jan 24, 2018 | Jan 23, 2018 |
| Mfsa2018 03 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 52.6 | Jan 24, 2018 | Jan 23, 2018 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 52.6 | Jan 26, 2018 | Jan 25, 2018 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 52.6.0-0.175.3.29.0.4.0 on Solaris 11.3Upgrade web/browser/firefox/plugin/firefox-java to version 52.6.0-0.175.3.29.0.3.0 on Solaris 11.3Upgrade web/browser/firefox to version 52.6.0-0.175.3.29.0.3.0 on Solaris 11.3Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 52.6.0-0.175.3.29.0.4.0 on Solaris 11.3Upgrade web/data/firefox-bookmarks to version 52.6.0-0.175.3.29.0.3.0 on Solaris 11.3 | Feb 22, 2018 | Feb 22, 2018 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Mar 2, 2020 | Jan 23, 2018 |
| Redhat_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfo | May 1, 2018 | Jan 29, 2018 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-develUpgrade MozillaThunderbird-buildsymbolsUpgrade MozillaFirefox-translationsUpgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-common | Jun 21, 2018 | Jan 29, 2018 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Apr 26, 2018 | Jan 29, 2018 |
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