Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "39.0+build5-0ubuntu0.14.04.1" }, { "binary_name": "firefox-dev", "binary_version": "39.0+build5-0ubuntu0.14.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "39.0+build5-0ubuntu0.14.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "39.0+build5-0ubuntu0.14.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "39.0+build5-0ubuntu0.14.04.1" } ], "availability": "No subscription required" }
{ "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1" } ], "availability": "No subscription required" }