A Heap-Buffer-Overflow had occurred gpac versions prior to 2.2.0 via the function "gf_isom_dovi_config_get" at "isomedia/avc_ext.c:2490", as demonstrated by MP4Box. This vulnerability was fixed in commit fef6242.
CWE-787 - Out-of-Bounds Write
Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.