If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" }, { "binary_name": "firefox-dev", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "66.0+build3-0ubuntu0.16.04.2" }, { "binary_name": "firefox-dev", "binary_version": "66.0+build3-0ubuntu0.16.04.2" }, { "binary_name": "firefox-globalmenu", "binary_version": "66.0+build3-0ubuntu0.16.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "66.0+build3-0ubuntu0.16.04.2" }, { "binary_name": "firefox-testsuite", "binary_version": "66.0+build3-0ubuntu0.16.04.2" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "66.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "66.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "66.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "66.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "66.0+build3-0ubuntu0.18.04.1" } ], "availability": "No subscription required" }