GPAC MP4box 2.1-DEV-rev574-g9d5bb184b contains a buffer overflow in gf_vvc_read_pps_bs_internal function of media_tools/av_parsers.c, check needed for num_exp_tile_columns
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.