Use-after-free vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by leveraging keyboard access to use the Alt key during selection of top-level menu items.
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{ "availability": "No subscription required", "binaries": [ { "binary_version": "48.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox" }, { "binary_version": "48.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-dev" }, { "binary_version": "48.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-globalmenu" }, { "binary_version": "48.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-mozsymbols" }, { "binary_version": "48.0+build2-0ubuntu0.16.04.1", "binary_name": "firefox-testsuite" } ] }