An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.
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 | alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf | Aug 22, 2024 | Jan 8, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jan 8, 2020 | |
| Mfsa2019 34 | mozilla-firefox-upgrade-70_0 | Oct 23, 2019 | Oct 22, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-thunderbird-78-3-0-11-4-27-0-1-82-0oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-68-12-0-11-4-27-0-1-82-0oracle-solaris-11-4-upgrade-web-browser-firefox-78-3-0-11-4-27-0-1-82-0oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-78-3-0-11-4-27-0-1-82-0 | Jan 19, 2021 | Jan 8, 2020 | |
| Ubuntu | ubuntu-upgrade-firefox | Oct 24, 2019 | Oct 23, 2019 |
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