A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside of it. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
{ "binaries": [ { "binary_version": "52.0+build2-0ubuntu0.14.04.1", "binary_name": "firefox" }, { "binary_version": "52.0+build2-0ubuntu0.14.04.1", "binary_name": "firefox-dev" }, { "binary_version": "52.0+build2-0ubuntu0.14.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "52.0+build2-0ubuntu0.14.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "52.0+build2-0ubuntu0.14.04.1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "thunderbird-testsuite" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.14.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "52.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox" }, { "binary_version": "52.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-dev" }, { "binary_version": "52.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "52.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "52.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "thunderbird-testsuite" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:45.8.0+build1-0ubuntu0.16.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }