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 | — | Upgrade firefoxUpgrade librewolfUpgrade firefox-esrUpgrade mozjs68Upgrade thunderbird | Aug 22, 2024 | Apr 24, 2020 |
| Amazon Linux Ami 2 | — | Upgrade thunderbird-debuginfoUpgrade thunderbird | May 22, 2020 | Apr 24, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Apr 24, 2020 |
| Centos_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsource | Apr 9, 2020 | Apr 8, 2020 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | Apr 9, 2020 | Apr 9, 2020 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Apr 24, 2020 | Apr 23, 2020 |
| Mfsa2020 12 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 75.0 | Apr 8, 2020 | Apr 7, 2020 |
| Mfsa2020 13 | — | Upgrade to Mozilla Firefox ESR version 68.7Upgrade to the latest version of Mozilla Firefox | Apr 8, 2020 | Apr 7, 2020 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 68.7 | Apr 13, 2020 | Apr 9, 2020 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4Upgrade consolidation/userland/userland-incorporation to version 11.4-11.4.24.0.1.75.1 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4Upgrade web/browser/firefox to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4 | Jan 19, 2021 | Apr 24, 2020 |
| Oracle_linux | — | Upgrade firefoxUpgrade thunderbird | Apr 11, 2020 | Apr 8, 2020 |
| Redhat_linux | — | Upgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade firefox-debugsourceNo solution existsUpgrade firefox | Apr 9, 2020 | Apr 8, 2020 |
| Suse | — | Upgrade MozillaThunderbird-translations-commonUpgrade MozillaFirefox-translations-commonUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-branding-upstreamUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefoxUpgrade MozillaThunderbirdUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-other | Apr 10, 2020 | Apr 7, 2020 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Apr 8, 2020 | Apr 7, 2020 |
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