Xidorn Quan

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 58 Firefox ESR versions prior to 52.6 Thunderbird versions prior to 52.6 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. This is due to a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. **Recommendations** For Firefox versions prior to 58, update to version 58 or later. For Firefox ESR versions prior to 52.6, update to version 52.6 or later. For Thunderbird versions prior to 52.6, update to version 52.6 or later.