During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "93.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-dev", "binary_version": "93.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "93.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "93.0+build1-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "93.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "93.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "93.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "93.0+build1-0ubuntu0.20.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.3.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.3.0+build2-0ubuntu1" } ] }