Style editor traffic in the Developer Tools can be routed through a service worker hosted on a third party website if a user selects error links when these tools are open. This can allow style editor information used within Developer Tools to leak cross-origin. This vulnerability affects Firefox < 58.
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{ "binaries": [ { "binary_version": "58.0+build6-0ubuntu0.16.04.1", "binary_name": "firefox" }, { "binary_version": "58.0+build6-0ubuntu0.16.04.1", "binary_name": "firefox-dev" }, { "binary_version": "58.0+build6-0ubuntu0.16.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "58.0+build6-0ubuntu0.16.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "58.0+build6-0ubuntu0.16.04.1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-dev" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-globalmenu" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "59.0.1+build1-0ubuntu1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }