Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "66.0.1+build1-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "1:60.6.1+build2-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "66.0.1+build1-0ubuntu0.16.04.1" }, { "binary_name": "firefox-dev", "binary_version": "66.0.1+build1-0ubuntu0.16.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "66.0.1+build1-0ubuntu0.16.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "66.0.1+build1-0ubuntu0.16.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "66.0.1+build1-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "1:60.6.1+build2-0ubuntu0.16.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "66.0.1+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "66.0.1+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "66.0.1+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "66.0.1+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "66.0.1+build1-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "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", "binary_version": "1:60.6.1+build2-0ubuntu0.18.04.1" } ] }