Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
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 | Aug 17, 2021 |
| Alpine Linux | — | Upgrade mozjs78Upgrade librewolfUpgrade firefox-esrUpgrade thunderbirdUpgrade firefox | Aug 22, 2024 | Aug 17, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | Sep 16, 2021 | Aug 17, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 17, 2021 |
| Centos_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefox | Aug 17, 2021 | Aug 16, 2021 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Aug 13, 2021 | Aug 13, 2021 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Feb 22, 2022 | Aug 17, 2021 |
| Mfsa2021 33 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 91.0 | Aug 12, 2021 | Aug 10, 2021 |
| Mfsa2021 34 | — | Upgrade to Mozilla Firefox ESR version 78.13Upgrade to the latest version of Mozilla Firefox | Aug 12, 2021 | Aug 10, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.0Upgrade to the latest version of Mozilla Thunderbird | Sep 16, 2021 | Aug 17, 2021 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade mail/thunderbird to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4 | Nov 17, 2021 | Aug 17, 2021 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Aug 17, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefox | Aug 17, 2021 | Aug 16, 2021 |
| Rocky_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsource | May 5, 2022 | Aug 17, 2021 |
| Suse | — | Upgrade MozillaFirefox-translations-otherUpgrade MozillaThunderbird-translations-otherUpgrade MozillaFirefox-branding-SLEDUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade rust-cbindgenUpgrade mozjs78-develUpgrade MozillaThunderbird-translations-commonUpgrade mozillafirefox-branding-sleUpgrade mozillafirefox-buildsymbolsUpgrade libmozjs-78-0Upgrade MozillaFirefox | Aug 13, 2021 | Aug 11, 2021 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Aug 12, 2021 | Aug 11, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 17, 2021 |
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