An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to 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 | alma-upgrade-firefoxalma-upgrade-thunderbird | May 4, 2022 | Dec 8, 2021 | |
| Alpine Linux | alpine-linux-upgrade-firefox-esralpine-linux-upgrade-firefoxalpine-linux-upgrade-thunderbirdalpine-linux-upgrade-librewolf | Aug 22, 2024 | Dec 8, 2021 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Dec 8, 2021 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-firefox-debugsourcecentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfocentos-upgrade-thunderbird-debugsource | Dec 9, 2021 | Dec 8, 2021 |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Dec 30, 2021 | Dec 8, 2021 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bingentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Feb 22, 2022 | Dec 8, 2021 | |
| Mfsa2021 52 | mozilla-firefox-upgrade-95_0 | Dec 8, 2021 | Dec 7, 2021 | |
| Mfsa2021 53 | mozilla-firefox-esr-upgrade-91_4 | Dec 8, 2021 | Dec 7, 2021 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-91_4 | Dec 8, 2021 | Dec 7, 2021 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-thunderbird-91-4-0-11-4-41-0-1-107-2oracle-solaris-11-4-upgrade-web-browser-firefox-91-4-0-11-4-41-0-1-107-2oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-91-4-0-11-4-41-0-1-107-2 | Jan 19, 2022 | Dec 8, 2021 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird | Dec 9, 2021 | Dec 7, 2021 |
| Redhat_linux | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Dec 9, 2021 | Dec 8, 2021 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsourcerocky-upgrade-thunderbirdrocky-upgrade-thunderbird-debuginforocky-upgrade-thunderbird-debugsource | Mar 12, 2024 | Dec 8, 2021 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Dec 11, 2021 | Dec 8, 2021 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Dec 10, 2021 | Dec 8, 2021 |
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