Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an appropriately privileged principal. In certain circumstances it might have been possible to cause a document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox < 113.
{ "binaries": [ { "binary_version": "113.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "113.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "113.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "113.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "113.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "113.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "113.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "113.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }