Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
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 mozjs68Upgrade firefoxUpgrade thunderbirdUpgrade librewolfUpgrade firefox-esr | Aug 22, 2024 | May 26, 2020 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | May 22, 2020 | May 22, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 26, 2020 |
| Centos_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefoxUpgrade firefox-debugsource | May 7, 2020 | May 6, 2020 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | May 8, 2020 | May 8, 2020 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade www-client/firefox.Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin. | Jun 15, 2020 | May 26, 2020 |
| Mfsa2020 16 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 76.0 | May 6, 2020 | May 5, 2020 |
| Mfsa2020 17 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 68.8 | May 6, 2020 | May 5, 2020 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 68.8 | May 6, 2020 | May 5, 2020 |
| Oracle Solaris | — | Upgrade mail/thunderbird/plugin/thunderbird-lightning 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 web/data/firefox-bookmarks to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4Upgrade mail/thunderbird to version 68.8.0-11.4.22.0.1.69.2 on Solaris 11.4 | Jan 19, 2021 | May 26, 2020 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Jun 19, 2020 | May 5, 2020 |
| Redhat_linux | — | No solution existsUpgrade thunderbirdUpgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfoUpgrade firefox | May 7, 2020 | May 6, 2020 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-develUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbirdUpgrade MozillaFirefox-translations-commonUpgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbird-translations-other | May 8, 2020 | May 7, 2020 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | May 8, 2020 | May 7, 2020 |
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