During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade firefoxUpgrade thunderbird | May 4, 2022 | Nov 3, 2021 |
| Alpine Linux | — | Upgrade librewolfUpgrade thunderbirdUpgrade firefoxUpgrade firefox-esr | Aug 22, 2024 | Nov 3, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Sep 30, 2022 | Nov 3, 2021 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debuginfo | Oct 12, 2021 | Oct 11, 2021 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Nov 29, 2021 | Nov 3, 2021 |
| Mfsa2021 43 | — | Upgrade to Mozilla Firefox version 93.0Upgrade to the latest version of Mozilla Firefox | Oct 6, 2021 | Oct 5, 2021 |
| Mfsa2021 44 | — | Upgrade to Mozilla Firefox ESR version 78.15Upgrade to the latest version of Mozilla Firefox | Oct 6, 2021 | Oct 5, 2021 |
| Mfsa2021 45 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 91.2 | Oct 6, 2021 | Oct 5, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.2Upgrade to the latest version of Mozilla Thunderbird | Oct 14, 2021 | Oct 6, 2021 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 91.3.0-11.4.40.0.1.107.1 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 91.3.0-11.4.40.0.1.107.1 on Solaris 11.4Upgrade mail/thunderbird to version 91.3.0-11.4.40.0.1.107.1 on Solaris 11.4 | Dec 13, 2021 | Nov 3, 2021 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Oct 12, 2021 | Oct 5, 2021 |
| Redhat_linux | — | No solution existsUpgrade firefox-debugsourceUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefox | Oct 12, 2021 | Oct 11, 2021 |
| Rocky_linux | — | Upgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefox-debugsource | May 5, 2022 | Nov 3, 2021 |
| Suse | — | Upgrade MozillaFirefox-branding-SLEDUpgrade MozillaFirefox-translations-otherUpgrade rust-cbindgenUpgrade MozillaFirefoxUpgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-otherUpgrade mozillafirefox-branding-sle | Oct 12, 2021 | Oct 7, 2021 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Oct 8, 2021 | Oct 7, 2021 |
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