Shu-Yu Guo

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions prior to 31.0 Thunderbird versions prior to 31.0 **Description** The issue allows remote attackers to cause a denial of service, which includes memory corruption and application crash, or possibly execute arbitrary code via unknown vectors. This can be achieved through multiple unspecified vulnerabilities in the browser engine. **Recommendations** For Mozilla Firefox versions prior to 31.0, update to version 31.0 or later to resolve the issue. For Thunderbird versions prior to 31.0, update to version 31.0 or later to resolve the issue.