Mspagnuolo

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** The software contains a flaw related to JIT miscompilation and a use-after-free condition within the JavaScript Engine’s JIT component. This issue could potentially allow for malicious code execution. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 115.33 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.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** A use-after-free issue exists in the DOM: Bindings (WebIDL) component. This can lead to potential security consequences. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 115.33 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.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** An undefined behavior issue exists within the DOM: Core & HTML component. This can lead to unpredictable program behavior and potentially compromise system integrity. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 115.33 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.

**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** A use-after-free issue exists in the JavaScript Engine component. This condition occurs 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 Firefox ESR to version 140.8 or later. Update Thunderbird to version 148 or later. Update Thunderbird to version 140.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** A use-after-free issue exists in the Graphics: ImageLib component. This can lead to potential security consequences. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 115.33 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.