By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefox | May 4, 2022 | Apr 11, 2022 |
| Alpine Linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-esrUpgrade librewolf | Aug 22, 2024 | Dec 22, 2022 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | Jul 4, 2022 | Jul 4, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 22, 2022 |
| Centos_linux | — | Upgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefox-debugsource | Apr 11, 2022 | Apr 8, 2022 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Apr 8, 2022 | Apr 8, 2022 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin. | Aug 11, 2022 | Aug 10, 2022 |
| Mfsa2022 13 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 99.0 | Apr 6, 2022 | Apr 5, 2022 |
| Mfsa2022 14 | — | Upgrade to Mozilla Firefox ESR version 91.8Upgrade to the latest version of Mozilla Firefox | Apr 6, 2022 | Apr 5, 2022 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 91.8 | Apr 7, 2022 | Apr 5, 2022 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Apr 9, 2022 | Apr 5, 2022 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoNo solution existsUpgrade thunderbirdUpgrade thunderbird-debugsource | Apr 11, 2022 | Apr 8, 2022 |
| Rocky_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfo | Mar 5, 2024 | Dec 22, 2022 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-other | Oct 26, 2022 | Apr 7, 2022 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Apr 8, 2022 | Apr 6, 2022 |
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