An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
{ "binaries": [ { "binary_version": "95.0+build1-0ubuntu0.18.04.1", "binary_name": "firefox" }, { "binary_version": "95.0+build1-0ubuntu0.18.04.1", "binary_name": "firefox-dev" }, { "binary_version": "95.0+build1-0ubuntu0.18.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "95.0+build1-0ubuntu0.18.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:91.5.0+build1-0ubuntu0.18.04.1", "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" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "95.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "95.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "95.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "95.0+build1-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "1:91.5.0+build1-0ubuntu0.20.04.1", "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" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_version": "95.0+build1-0ubuntu1", "binary_name": "firefox" }, { "binary_version": "95.0+build1-0ubuntu1", "binary_name": "firefox-dev" }, { "binary_version": "95.0+build1-0ubuntu1", "binary_name": "firefox-geckodriver" }, { "binary_version": "95.0+build1-0ubuntu1", "binary_name": "firefox-mozsymbols" } ], "availability": "No subscription required" }