When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "98.0+build3-0ubuntu0.18.04.2" }, { "binary_name": "firefox-dev", "binary_version": "98.0+build3-0ubuntu0.18.04.2" }, { "binary_name": "firefox-geckodriver", "binary_version": "98.0+build3-0ubuntu0.18.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "98.0+build3-0ubuntu0.18.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.7.0+build2-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "98.0+build3-0ubuntu0.20.04.2" }, { "binary_name": "firefox-dev", "binary_version": "98.0+build3-0ubuntu0.20.04.2" }, { "binary_name": "firefox-geckodriver", "binary_version": "98.0+build3-0ubuntu0.20.04.2" }, { "binary_name": "firefox-mozsymbols", "binary_version": "98.0+build3-0ubuntu0.20.04.2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.7.0+build2-0ubuntu0.20.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:91.7.0+build2-0ubuntu1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:91.7.0+build2-0ubuntu1" } ] }