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 firefox-esrUpgrade firefoxUpgrade thunderbirdUpgrade mozjs78Upgrade librewolf | Aug 22, 2024 | Aug 17, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | 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 firefoxUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsource | Aug 17, 2021 | Aug 16, 2021 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Aug 13, 2021 | Aug 13, 2021 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | Feb 22, 2022 | Aug 17, 2021 |
| Mfsa2021 33 | — | Upgrade to Mozilla Firefox version 91.0 | Aug 12, 2021 | Aug 10, 2021 |
| Mfsa2021 34 | — | Upgrade to Mozilla Firefox ESR version 78.13 | Aug 12, 2021 | Aug 10, 2021 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.0 | Sep 16, 2021 | Aug 17, 2021 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 78.14.0-11.4.38.0.1.101.3 on Solaris 11.4Upgrade web/browser/firefox 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 firefoxUpgrade thunderbird | Aug 17, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade firefox-debugsourceNo solution existsUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | Aug 17, 2021 | Aug 16, 2021 |
| Rocky_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debugsource | May 5, 2022 | Aug 17, 2021 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-branding-sledUpgrade mozillathunderbird-translations-commonUpgrade mozillafirefox-translations-commonUpgrade mozillathunderbird-translations-otherUpgrade mozillafirefoxUpgrade mozillathunderbirdUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-translations-otherUpgrade mozjs78-develUpgrade mozillafirefox-branding-sleUpgrade libmozjs-78-0Upgrade rust-cbindgenUpgrade mozillafirefox-devel | Aug 13, 2021 | Aug 11, 2021 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | 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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