An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.
{ "binaries": [ { "binary_version": "70.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox" }, { "binary_version": "70.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-dev" }, { "binary_version": "70.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "70.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "70.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "70.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "70.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "70.0+build2-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "70.0+build2-0ubuntu1", "binary_name": "firefox" }, { "binary_version": "70.0+build2-0ubuntu1", "binary_name": "firefox-dev" }, { "binary_version": "70.0+build2-0ubuntu1", "binary_name": "firefox-geckodriver" }, { "binary_version": "70.0+build2-0ubuntu1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }