If an existing cookie is changed to be "HttpOnly" while a document is open, the original value remains accessible through script until that document is closed. Network requests correctly use the changed HttpOnly cookie. This vulnerability affects Firefox < 58.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "58.0+build6-0ubuntu0.14.04.1" }, { "binary_name": "firefox-dev", "binary_version": "58.0+build6-0ubuntu0.14.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "58.0+build6-0ubuntu0.14.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "58.0+build6-0ubuntu0.14.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "58.0+build6-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "58.0+build6-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "59.0.1+build1-0ubuntu1" } ] }