CVE-2023-6858 | Mozilla Thunderbird up to 115.5 nsTextFragment heap-based overflow

CVE-2023-6858 | Mozilla Thunderbird up to 115.5 nsTextFragment heap-based overflow

A vulnerability was found in Mozilla Thunderbird up to 115.5. It has been declared as critical. This vulnerability affects the function nsTextFragment. The manipulation leads to heap-based buffer overflow. This vulnerability was named CVE-2023-6858. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.