If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "<link>" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox < 57.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "57.0+build4-0ubuntu0.14.04.4" }, { "binary_name": "firefox-dev", "binary_version": "57.0+build4-0ubuntu0.14.04.4" }, { "binary_name": "firefox-globalmenu", "binary_version": "57.0+build4-0ubuntu0.14.04.4" }, { "binary_name": "firefox-mozsymbols", "binary_version": "57.0+build4-0ubuntu0.14.04.4" }, { "binary_name": "firefox-testsuite", "binary_version": "57.0+build4-0ubuntu0.14.04.4" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "57.0+build4-0ubuntu0.16.04.5" }, { "binary_name": "firefox-dev", "binary_version": "57.0+build4-0ubuntu0.16.04.5" }, { "binary_name": "firefox-globalmenu", "binary_version": "57.0+build4-0ubuntu0.16.04.5" }, { "binary_name": "firefox-mozsymbols", "binary_version": "57.0+build4-0ubuntu0.16.04.5" }, { "binary_name": "firefox-testsuite", "binary_version": "57.0+build4-0ubuntu0.16.04.5" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "57.0.1+build2-0ubuntu1" }, { "binary_name": "firefox-dev", "binary_version": "57.0.1+build2-0ubuntu1" }, { "binary_name": "firefox-globalmenu", "binary_version": "57.0.1+build2-0ubuntu1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "57.0.1+build2-0ubuntu1" }, { "binary_name": "firefox-testsuite", "binary_version": "57.0.1+build2-0ubuntu1" } ], "availability": "No subscription required" }