CVE-2025-11713 | Mozilla Thunderbird up to 143 on Windows Copy as cURL Remote Code Execution

October 14, 2025 Yanac

A vulnerability identified as problematic has been detected in Mozilla Thunderbird up to 143 on Windows. The impacted element is an unknown function of the component Copy as cURL Handler. This manipulation causes Remote Code Execution.

This vulnerability is registered as CVE-2025-11713. Remote exploitation of the attack is possible. No exploit is available.

You should upgrade the affected component.VulDB Recent EntriesRead More