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 librewolfUpgrade firefox-esrUpgrade firefoxUpgrade thunderbird | Aug 22, 2024 | Dec 22, 2022 |
| Centos_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade firefox-debugsourceUpgrade thunderbirdUpgrade thunderbird-debugsourceUpgrade firefox | May 5, 2022 | May 4, 2022 |
| Debian | — | Upgrade thunderbirdUpgrade firefox-esr | May 6, 2022 | May 6, 2022 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird. | 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 firefoxUpgrade thunderbird | May 5, 2022 | May 3, 2022 |
| Redhat_linux | — | Upgrade thunderbird-debugsourceUpgrade firefox-debugsourceUpgrade thunderbird-debuginfoNo solution existsUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade firefox | May 5, 2022 | May 4, 2022 |
| Rocky_linux | — | Upgrade thunderbird-debuginfoUpgrade firefox-debugsourceUpgrade firefoxUpgrade thunderbird-debugsourceUpgrade thunderbirdUpgrade firefox-debuginfo | Mar 5, 2024 | Dec 22, 2022 |
| Suse | — | Upgrade mozillafirefoxUpgrade mozillafirefox-develUpgrade mozillafirefox-translations-otherUpgrade mozillathunderbird-translations-otherUpgrade mozillathunderbirdUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefox-translations-commonUpgrade mozillathunderbird-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