When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the target URL had been subject to a redirect. This vulnerability affects Firefox < 103.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "103.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "103.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "103.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "103.0+build1-0ubuntu0.18.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "103.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "103.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "103.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "103.0+build1-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:102.2.2+build1-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:102.2.2+build1-0ubuntu0.22.04.1" } ], "availability": "No subscription required" }