Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefox | May 4, 2022 | Dec 8, 2021 |
| Alpine Linux | — | Upgrade librewolfUpgrade firefoxUpgrade firefox-esrUpgrade thunderbird | Aug 22, 2024 | Dec 8, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 8, 2021 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefoxUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsource | Dec 9, 2021 | Dec 8, 2021 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Dec 30, 2021 | Dec 8, 2021 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin. | Feb 22, 2022 | Dec 8, 2021 |
| Mfsa2021 52 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 95.0 | Dec 8, 2021 | Dec 7, 2021 |
| Mfsa2021 53 | — | Upgrade to Mozilla Firefox ESR version 91.4Upgrade to the latest version of Mozilla Firefox | Dec 8, 2021 | Dec 7, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.4Upgrade to the latest version of Mozilla Thunderbird | Dec 8, 2021 | Dec 7, 2021 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 91.4.0-11.4.41.0.1.107.2 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 91.4.0-11.4.41.0.1.107.2 on Solaris 11.4Upgrade mail/thunderbird to version 91.4.0-11.4.41.0.1.107.2 on Solaris 11.4 | Jan 19, 2022 | Dec 8, 2021 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Dec 9, 2021 | Dec 7, 2021 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbird-debugsourceNo solution existsUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsource | Dec 9, 2021 | Dec 8, 2021 |
| Rocky_linux | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | Mar 12, 2024 | Dec 8, 2021 |
| Suse | — | Upgrade MozillaFirefox-develUpgrade MozillaThunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-translations-common | Dec 11, 2021 | Dec 8, 2021 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Dec 10, 2021 | Dec 8, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 8, 2021 |
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