A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is later freed with the removal of the animation controller element, the refresh driver incorrectly leaves a dangling pointer to the driver's observer array. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
{ "binaries": [ { "binary_version": "66.0.1+build1-0ubuntu0.14.04.1", "binary_name": "firefox" }, { "binary_version": "66.0.1+build1-0ubuntu0.14.04.1", "binary_name": "firefox-dev" }, { "binary_version": "66.0.1+build1-0ubuntu0.14.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "66.0.1+build1-0ubuntu0.14.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "66.0.1+build1-0ubuntu0.14.04.1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "66.0+build3-0ubuntu0.16.04.2", "binary_name": "firefox" }, { "binary_version": "66.0+build3-0ubuntu0.16.04.2", "binary_name": "firefox-dev" }, { "binary_version": "66.0+build3-0ubuntu0.16.04.2", "binary_name": "firefox-globalmenu" }, { "binary_version": "66.0+build3-0ubuntu0.16.04.2", "binary_name": "firefox-mozsymbols" }, { "binary_version": "66.0+build3-0ubuntu0.16.04.2", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "66.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "66.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "66.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "66.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "66.0+build3-0ubuntu0.18.04.1", "binary_name": "firefox-testsuite" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-globalmenu" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1", "binary_name": "xul-ext-lightning" } ], "availability": "No subscription required" }