Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "50.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-dev", "binary_version": "50.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "50.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "50.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "50.0+build2-0ubuntu0.14.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "50.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-dev", "binary_version": "50.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "50.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "50.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "50.0+build2-0ubuntu0.16.04.2" } ] }