In Firefox before 68.0, when a user navigates to a site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not blocked, leading to the loading of unsafe resources and bypassing safebrowsing protections.
In Firefox before 68.0, when a user navigates to a site marked as unsafe by the Safebrowsing API, warning messages are displayed and navigation is interrupted but resources from the same site loaded through websockets are not blocked, leading to the loading of unsafe resources and bypassing safebrowsing protections.
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11725 https://bugzilla.mozilla.org/show_bug.cgi?id=1483510
Vulmon