A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "88.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "88.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "88.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "88.0+build2-0ubuntu0.16.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "88.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-dev", "binary_version": "88.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-geckodriver", "binary_version": "88.0+build2-0ubuntu0.18.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "88.0+build2-0ubuntu0.18.04.2" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "firefox", "binary_version": "88.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "88.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "88.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "88.0+build2-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }