CVE-2025-0689 | GNU grub2 udf grub_udf_read_block heap-based overflow

A vulnerability was found in GNU grub2 and classified as critical. This issue affects the function grub_udf_read_block of the component udf. The manipulation leads to heap-based buffer overflow.

The identification of this vulnerability is CVE-2025-0689. Local access is required to approach this attack. There is no exploit available.