Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window). Sites that deploy a sandboxing that depends on enumerating and freezing access to the window object may miss this, allowing their sandboxes to be bypassed. This vulnerability affects Firefox < 68.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "68.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "68.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "68.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "68.0+build3-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "68.0+build3-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "68.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "68.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "68.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "68.0+build3-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "68.0+build3-0ubuntu0.18.04.1" } ] }