An exploitable integer truncation vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The stri_box_read function is used when processing atoms using the 'stri' FOURCC code. An attacker can convince a user to open a video to trigger this vulnerability.
https://www.debian.org/security/2021/dsa-4966
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1298