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Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade thunderbirdUpgrade firefox | Aug 22, 2024 | Dec 8, 2021 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade firefox-debugsourceUpgrade thunderbird | Feb 28, 2022 | Dec 8, 2021 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Dec 30, 2021 | Dec 8, 2021 |
| Mfsa2021 48 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 94.0 | Dec 8, 2021 | Nov 2, 2021 |
| Mfsa2021 49 | — | Upgrade to Mozilla Firefox ESR version 91.3Upgrade to the latest version of Mozilla Firefox | Dec 8, 2021 | Nov 2, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.3Upgrade to the latest version of Mozilla Thunderbird | Dec 8, 2021 | Nov 3, 2021 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdNo solution exists | Feb 28, 2022 | Dec 8, 2021 |
| Rocky_linux | — | Upgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfo | Mar 12, 2024 | Dec 8, 2021 |
| Ubuntu | — | Upgrade thunderbird | Jan 22, 2022 | Dec 8, 2021 |
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