GPAC misuses a certain Unicode "utf8_wcslen" (renamed gf_utf8_wcslen) function in "utils/utf.c", resulting in a heap-based buffer over-read, as demonstrated by MP4Box. This issue affects versions prior to 2.2.0.
CWE-125 - Out-of-Bounds Read
Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.