The vulnerability of the ImageItem_Grid::get_decoder() function in the image-items/grid.cc component allows a hacker to execute arbitrary code. This vulnerability exists in the decoder and file format encoder provided by the libheif library.

The vulnerability of the ImageItemGrid::getdecoder function in the image-items/grid.cc component, which is responsible for decoding and encoding file formats for the libheif library, stems from the use of a null pointer. Exploiting this vulnerability could allow an attacker to execute arbitrary...