Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-esrUpgrade librewolf | Jan 19, 2021 | Jan 7, 2021 |
| Amazon Linux Ami 2 | — | Upgrade thunderbirdUpgrade thunderbird-debuginfo | Jan 8, 2021 | Jan 8, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 7, 2021 |
| Centos_linux | — | Upgrade firefoxUpgrade thunderbirdUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade thunderbird-debugsourceUpgrade firefox-debugsource | Dec 21, 2020 | Dec 16, 2020 |
| Debian | — | Upgrade firefox-esrUpgrade thunderbird | Dec 18, 2020 | Dec 18, 2020 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade mail-client/thunderbird-bin. | Dec 29, 2020 | Dec 23, 2020 |
| Mfsa2020 54 | — | Upgrade to Mozilla Firefox version 84.0 | Dec 16, 2020 | Dec 15, 2020 |
| Mfsa2020 55 | — | Upgrade to Mozilla Firefox ESR version 78.6 | Dec 16, 2020 | Dec 15, 2020 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 78.6 | Dec 16, 2020 | Dec 15, 2020 |
| Oracle Solaris | — | Upgrade mail/thunderbird to version 78.6.0-11.4.30.0.1.88.0 on Solaris 11.4 | Feb 17, 2021 | Jan 7, 2021 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | Dec 17, 2020 | Dec 15, 2020 |
| Redhat_linux | — | Upgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debuginfoUpgrade thunderbirdNo solution existsUpgrade firefox-debuginfoUpgrade thunderbird-debugsource | Dec 21, 2020 | Dec 16, 2020 |
| Suse | — | Upgrade mozillafirefox-branding-upstreamUpgrade mozillathunderbird-translations-otherUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-develUpgrade mozillafirefoxUpgrade mozillafirefox-buildsymbolsUpgrade mozillathunderbirdUpgrade mozillathunderbird-translations-common | Dec 22, 2020 | Dec 15, 2020 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | Dec 16, 2020 | Dec 15, 2020 |
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