Karlt

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions prior to 47.0 Mozilla Firefox ESR versions prior to 45.2 **Description** The issue affects the browser engine, allowing remote attackers to cause a denial of service, which includes memory corruption and application crash, or possibly execute arbitrary code. The estimated number of potentially affected devices and details about real-world incidents are not specified. **Recommendations** For Mozilla Firefox versions prior to 47.0, update to version 47.0 or later. For Mozilla Firefox ESR versions prior to 45.2, update to version 45.2 or later.