CVE-2023-6856 | Mozilla Thunderbird up to 115.5 WebGL DrawElementsInstanced heap-based overflow

CVE-2023-6856 | Mozilla Thunderbird up to 115.5 WebGL DrawElementsInstanced heap-based overflow

A vulnerability, which was classified as critical, was found in Mozilla Thunderbird up to 115.5. This affects the function DrawElementsInstanced of the component WebGL. The manipulation leads to heap-based buffer overflow. This vulnerability is uniquely identified as CVE-2023-6856. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.