A use-after-free vulnerability can occur while editing events in form elements on a page, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Thunderbird < 52.6.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:52.6.0+build1-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:52.6.0+build1-0ubuntu0.16.04.1" } ] }