Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-firefox-esralpine-linux-upgrade-firefoxalpine-linux-upgrade-mozjs68alpine-linux-upgrade-thunderbirdalpine-linux-upgrade-librewolf | Aug 22, 2024 | Apr 24, 2020 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo | May 22, 2020 | Apr 24, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Apr 24, 2020 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-firefox-debugsourcecentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfocentos-upgrade-thunderbird-debugsource | Apr 9, 2020 | Apr 8, 2020 |
| Debian | debian-upgrade-firefox-esrdebian-upgrade-thunderbird | Apr 9, 2020 | Apr 9, 2020 | |
| Gentoo Linux | gentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Apr 24, 2020 | Apr 23, 2020 | |
| Mfsa2020 12 | mozilla-firefox-upgrade-75_0 | Apr 8, 2020 | Apr 7, 2020 | |
| Mfsa2020 13 | mozilla-firefox-esr-upgrade-68_7 | Apr 8, 2020 | Apr 7, 2020 | |
| Mozilla Thunderbird | mozilla-thunderbird-upgrade-68_7 | Apr 13, 2020 | Apr 9, 2020 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-consolidation-userland-userland-incorporation-11-4-11-4-24-0-1-75-1oracle-solaris-11-4-upgrade-mail-thunderbird-68-8-0-11-4-22-0-1-69-2oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-68-8-0-11-4-22-0-1-69-2oracle-solaris-11-4-upgrade-web-browser-firefox-68-8-0-11-4-22-0-1-69-2oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-68-8-0-11-4-22-0-1-69-2 | Jan 19, 2021 | Apr 24, 2020 | |
| Oracle_linux | — | oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird | Apr 11, 2020 | Apr 8, 2020 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource | Apr 9, 2020 | Apr 8, 2020 | |
| 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 | Apr 10, 2020 | Apr 7, 2020 |
| Ubuntu | ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird | Apr 8, 2020 | Apr 7, 2020 |
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