An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "50.1.0+build2-0ubuntu0.14.04.1" }, { "binary_name": "firefox-dev", "binary_version": "50.1.0+build2-0ubuntu0.14.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "50.1.0+build2-0ubuntu0.14.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "50.1.0+build2-0ubuntu0.14.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "50.1.0+build2-0ubuntu0.14.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "50.1.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "50.1.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "50.1.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "50.1.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "50.1.0+build2-0ubuntu0.16.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1" } ], "availability": "No subscription required" }