A NULL pointer dereference in the gf_filter_in_parent_chain function (/filter_core/filter_pid.c) of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted file.Referenceshttps://github.com/gpac/gpac/issues/3285https://github.com/gpac/gpac/commit/b8d80b44718de10b101e1d7fc17c84d69feb092ehttps://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/36/README.mdhttps://infosec.exchange/@sigdevel/116780471059317580https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/36/36_gf_filter_in_parent_chain_filter_core_filter_pid_c_2145