The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-waterfoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Dec 10, 2025 | Jan 23, 2018 | |
| Mfsa2018 02 | mozilla-firefox-upgrade-58_0 | Jan 24, 2018 | Jan 23, 2018 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-other | May 19, 2018 | Jan 24, 2018 |
| Ubuntu | ubuntu-upgrade-firefox | Apr 26, 2018 | Jan 24, 2018 |
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