The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefoxUpgrade firefox-x11 | Jan 5, 2024 | Dec 19, 2023 |
| Alpine Linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-esr | Aug 22, 2024 | Dec 19, 2023 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfo | Jan 10, 2024 | Dec 19, 2023 |
| Centos_linux | — | Upgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox | Jan 3, 2024 | Dec 19, 2023 |
| Debian | — | Upgrade firefox-esr | Dec 27, 2023 | Dec 19, 2023 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | Jan 8, 2024 | Dec 19, 2023 |
| Mfsa2023 54 | — | Upgrade to Mozilla Firefox ESR version 115.6Upgrade to the latest version of Mozilla Firefox | Dec 20, 2023 | Dec 19, 2023 |
| Mfsa2023 56 | — | Upgrade to Mozilla Firefox version 121.0Upgrade to the latest version of Mozilla Firefox | Dec 20, 2023 | Dec 19, 2023 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 115.6 | Dec 20, 2023 | Dec 19, 2023 |
| Oracle_linux | — | Upgrade firefox-x11Upgrade thunderbirdUpgrade firefox | Jan 3, 2024 | Dec 19, 2023 |
| Redhat_linux | — | Upgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbirdUpgrade firefox-x11No solution existsUpgrade thunderbird-debugsourceUpgrade firefox-debugsource | Jan 3, 2024 | Dec 19, 2023 |
| Rocky_linux | — | — | Aug 15, 2024 | Dec 19, 2023 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefoxUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-otherUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-translations-common | Dec 20, 2023 | Dec 19, 2023 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Jan 3, 2024 | Dec 19, 2023 |
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