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.
2016-08-05T01:59:12.017
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | ≤ 47.0.1 | Yes |
Application | mozilla | firefox | 45.1.0 | Yes |
Application | mozilla | firefox | 45.1.1 | Yes |
Application | mozilla | firefox | 45.2.0 | Yes |
Application | mozilla | firefox | 45.3.0 | Yes |
Operating System | oracle | linux | 5.0 | Yes |
Operating System | oracle | linux | 6 | Yes |
Operating System | oracle | linux | 7 | Yes |