CVE-2026-48029 | strukturag libheif up to 1.21.2 ImageItem_Grid::decode_grid_tile heap-based overflow (Nessus ID 333527)

A vulnerability described as critical has been identified in strukturag libheif up to 1.21.2. The affected element is an unknown function of the component ImageItem_Grid::decode_grid_tile. Executing a manipulation can lead to heap-based buffer overflow. This vulnerability is handled as CVE-2026-48029. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.