Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging (1) duplicate cache-key generation or (2) retrieval of a value from an incorrect HTTP Access-Control-* response header.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "firefox", "binary_version": "41.0+build3-0ubuntu0.14.04.1" }, { "binary_name": "firefox-dev", "binary_version": "41.0+build3-0ubuntu0.14.04.1" }, { "binary_name": "firefox-globalmenu", "binary_version": "41.0+build3-0ubuntu0.14.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "41.0+build3-0ubuntu0.14.04.1" }, { "binary_name": "firefox-testsuite", "binary_version": "41.0+build3-0ubuntu0.14.04.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "thunderbird", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-dev", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-globalmenu", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-gnome-support", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-mozsymbols", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "thunderbird-testsuite", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-calendar-timezones", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-gdata-provider", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" }, { "binary_name": "xul-ext-lightning", "binary_version": "1:38.3.0+build1-0ubuntu0.14.04.1" } ] }