Noel

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 158 Firefox ESR versions prior to 153.5 Thunderbird versions prior to 158 Thunderbird versions prior to 153.5 **Description** Privilege escalation exists within the Application Update component. **Recommendations** Update Firefox to version 158. Update Firefox ESR to version 153.5. Update Thunderbird to version 158. Update Thunderbird to version 153.5.