If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not displayed to users. This vulnerability affects Firefox < 63.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.14.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.14.04.2" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.16.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.16.04.2" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-dev", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "63.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "63.0+build2-0ubuntu0.18.04.2" } ], "availability": "No subscription required" }