Atsushi Sada

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 **Description** A memory safety bug exists in the software, which could lead to unexpected behavior or crashes when memory is handled incorrectly. **Recommendations** Update Firefox to version 152. Update Firefox ESR to version 140.12. Update Thunderbird to version 152. Update Thunderbird to version 140.12.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 151 Thunderbird versions prior to 151 **Description** A mitigation bypass exists within the DOM security component.