When "%2F" was present in a manifest URL, Firefox's AppCache behavior may have become confused and allowed a manifest to be served from a subdirectory. This could cause the appcache to be used to service requests for the top level directory. This vulnerability affects Firefox < 78.
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:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade librewolfUpgrade firefox | Aug 22, 2024 | Jul 9, 2020 |
| Gentoo Linux | — | Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | Jul 28, 2020 | Jul 9, 2020 |
| Mfsa2020 24 | — | Upgrade to Mozilla Firefox version 78.0 | Jul 2, 2020 | Jun 30, 2020 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 78.0 | Jul 20, 2020 | Jul 9, 2020 |
| Oracle Solaris | — | Upgrade web/browser/firefox to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade web/data/firefox-bookmarks to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade mail/thunderbird to version 78.3.0-11.4.27.0.1.82.0 on Solaris 11.4Upgrade mail/thunderbird/plugin/thunderbird-lightning to version 68.12.0-11.4.27.0.1.82.0 on Solaris 11.4 | Jan 19, 2021 | Jul 9, 2020 |
| Suse | — | Upgrade mozillafirefox-branding-sledUpgrade mozillafirefox-translations-commonUpgrade mozillafirefox-branding-upstreamUpgrade mozillafirefoxUpgrade mozillafirefox-branding-sleUpgrade mozillafirefox-develUpgrade mozillafirefox-buildsymbolsUpgrade mozillafirefox-translations-other | Jul 9, 2020 | Jul 8, 2020 |
| Ubuntu | — | Upgrade firefox | Aug 5, 2020 | Jul 2, 2020 |
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