Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade thunderbirdUpgrade firefox | May 6, 2022 | May 4, 2022 |
| Alpine Linux | — | Upgrade firefox-esrUpgrade librewolfUpgrade thunderbirdUpgrade firefox | Aug 22, 2024 | Dec 22, 2022 |
| Centos_linux | — | Upgrade firefox-debugsourceUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbird | May 5, 2022 | May 4, 2022 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 6, 2022 | May 6, 2022 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade www-client/firefox-bin.Upgrade www-client/firefox. | Aug 11, 2022 | Aug 10, 2022 |
| Mfsa2022 16 | — | Upgrade to Mozilla Firefox version 100.0 | May 4, 2022 | May 3, 2022 |
| Mfsa2022 17 | — | Upgrade to Mozilla Firefox ESR version 91.9 | May 4, 2022 | May 3, 2022 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 91.9 | May 6, 2022 | May 3, 2022 |
| Oracle_linux | — | Upgrade thunderbirdUpgrade firefox | May 5, 2022 | May 3, 2022 |
| Redhat_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade thunderbirdUpgrade firefox | May 5, 2022 | May 4, 2022 |
| Rocky_linux | — | Upgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbird-debuginfo | Mar 5, 2024 | Dec 22, 2022 |
| Suse | — | Upgrade mozillathunderbird-translations-otherUpgrade mozillathunderbirdUpgrade mozillafirefox-translations-otherUpgrade mozillafirefox-develUpgrade mozillafirefoxUpgrade mozillafirefox-branding-upstreamUpgrade mozillathunderbird-translations-commonUpgrade mozillafirefox-translations-common | Oct 26, 2022 | May 17, 2022 |
| Ubuntu | — | Upgrade firefoxUpgrade thunderbird | May 12, 2022 | May 4, 2022 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub