CVE-2016-5254

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.

Score
CVSS 3.0 9.8 Critical
Status
Modified - security@mozilla.org
Published
2016-08-05
Last modified
2024-08-06
Weaknesses
CWE-416

Affected products

References