Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
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 | Jun 24, 2021 | |
| Alpine Linux | alpine-linux-upgrade-firefox-esralpine-linux-upgrade-firefoxalpine-linux-upgrade-mozjs78alpine-linux-upgrade-thunderbirdalpine-linux-upgrade-librewolf | Aug 22, 2024 | Jun 24, 2021 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | Jul 2, 2021 | Jun 24, 2021 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 24, 2021 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-firefox-debugsourcecentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfocentos-upgrade-thunderbird-debugsource | Jun 3, 2021 | Jun 2, 2021 |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Jun 4, 2021 | Jun 4, 2021 | |
| Gentoo Linux | gentoo-linux-upgrade-mail-client-thunderbirdgentoo-linux-upgrade-mail-client-thunderbird-bin | Aug 11, 2022 | Jun 24, 2021 | |
| Mfsa2021 23 | mozilla-firefox-upgrade-89_0 | Jun 2, 2021 | Jun 1, 2021 | |
| Mfsa2021 24 | mozilla-firefox-esr-upgrade-78_11 | Jun 2, 2021 | Jun 1, 2021 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-78_11 | Jun 4, 2021 | Jun 3, 2021 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-library-libmozjs-78-78-11-0-11-4-39-0-1-107-0oracle-solaris-11-4-upgrade-mail-thunderbird-78-11-0-11-4-35-0-1-94-3oracle-solaris-11-4-upgrade-web-browser-firefox-78-11-0-11-4-35-0-1-94-3oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-78-11-0-11-4-35-0-1-94-3 | Jul 21, 2021 | Jun 24, 2021 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird | Jun 4, 2021 | Jun 1, 2021 |
| Redhat_linux | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Jun 3, 2021 | Jun 2, 2021 | |
| Rocky_linux | rocky-upgrade-firefoxrocky-upgrade-firefox-debuginforocky-upgrade-firefox-debugsourcerocky-upgrade-thunderbirdrocky-upgrade-thunderbird-debuginforocky-upgrade-thunderbird-debugsource | May 5, 2022 | Jun 24, 2021 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-buildsymbolssuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-mozillathunderbirdsuse-upgrade-mozillathunderbird-translations-commonsuse-upgrade-mozillathunderbird-translations-other | Jun 9, 2021 | Jun 2, 2021 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Jun 3, 2021 | Jun 2, 2021 |
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