Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "76.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "76.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "76.0+build2-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "76.0+build2-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "76.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "76.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "76.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "76.0+build2-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "76.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "76.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "76.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "76.0+build2-0ubuntu0.20.04.1" } ] }