X0E

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Thunderbird versions prior to 148 **Description** A use-after-free issue exists in the JavaScript: GC component. This condition can occur when memory is accessed after it has been freed, potentially leading to crashes or arbitrary code execution. **Recommendations** Update Firefox to version 148 or later. Update Thunderbird to version 148 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** An information disclosure issue exists due to Just-In-Time (JIT) miscompilation within the JavaScript Engine’s JIT component. This can potentially expose sensitive data. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 140.8 or later. Update Thunderbird to version 148 or later. Update Thunderbird to version 140.8 or later.