Newton Cheng

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Thunderbird versions prior to 149 **Description** A use-after-free issue exists in the JavaScript Engine component. This condition may allow for unexpected behavior. **Recommendations** Update Firefox to version 149 or later. Update Thunderbird to version 149 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Thunderbird versions prior to 149 **Description** An undefined behavior issue exists in the Audio/Video component. This can lead to unexpected program behavior. **Recommendations** Update Firefox to version 149 or later. Update Thunderbird to version 149 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 **Description** A denial-of-service issue exists in the WebRTC: Signaling component. **Recommendations** Update Firefox to version 149 or later. Update Firefox ESR to version 140.9 or later. Update Thunderbird to version 149 or later. Update Thunderbird to version 140.9 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 **Description** An undefined behavior exists within the WebRTC: Signaling component. This issue impacts the listed software. **Recommendations** Update Firefox to version 149 or later. Update Firefox ESR to version 140.9 or later. Update Thunderbird to version 149 or later. Update Thunderbird to version 140.9 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 **Description** An undefined behavior exists within the WebRTC: Signaling component. This issue impacts the listed versions of Firefox and Thunderbird. **Recommendations** Update Firefox to version 149 or later. Update Firefox ESR to version 140.9 or later. Update Thunderbird to version 149 or later. Update Thunderbird to version 140.9 or later.